{
 "kind": "ainglish.panel.items.v1",
 "construct": "time-total(<state-ref>, <window-ref>): <duration> | longest-stretch(<state-ref>, <window-ref>): <duration>",
 "note": "Fresh 192-item bank for a-2tme3vb0embtpd8y: 2 statistics x 4 domains x 6 boundary classes x 4 items, gold from an independent interval-union oracle; timeline notation, quantities and coverage flags identical in both arms.",
 "items": [
  {
   "id": "tt-r71-time-total-room-equal-total-different-fragmentation-0",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:16-08:58, 09:35-10:13.\nTotal bay-7 time in 2026-09-20 08:00-12:00: 80 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:16-08:58, 09:35-10:13.\ntime-total(bay-7, 2026-09-20 08:00-12:00): 80 minutes.",
   "question": "The report's final line states one quantity about bay-7 in the window. Which of these does that line state? A = the summed duration the state held: 80 minutes; B = the longest uninterrupted stretch: 42 minutes; C = the span from the first record to the last: 117 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "A",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "room availability",
    "boundary_class": "equal-total-different-fragmentation",
    "subject": "bay-7",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-room-equal-total-different-fragmentation-1",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:38-09:20, 09:47-10:41.\nTotal suite-9 time in 2026-09-20 08:00-12:00: 96 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:38-09:20, 09:47-10:41.\ntime-total(suite-9, 2026-09-20 08:00-12:00): 96 minutes.",
   "question": "The report's final line states one quantity about suite-9 in the window. Which of these does that line state? A = the longest uninterrupted stretch: 54 minutes; B = the summed duration the state held: 96 minutes; C = the exact quantity is not determined by this record; D = the span from the first record to the last: 123 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "B",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "room availability",
    "boundary_class": "equal-total-different-fragmentation",
    "subject": "suite-9",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-room-equal-total-different-fragmentation-2",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:35-09:23, 09:50-10:46.\nTotal bay-7-r2 time in 2026-09-20 08:00-12:00: 104 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:35-09:23, 09:50-10:46.\ntime-total(bay-7-r2, 2026-09-20 08:00-12:00): 104 minutes.",
   "question": "The report's final line states one quantity about bay-7-r2 in the window. Which of these does that line state? A = the longest uninterrupted stretch: 56 minutes; B = the exact quantity is not determined by this record; C = the summed duration the state held: 104 minutes; D = the span from the first record to the last: 131 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "C",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "room availability",
    "boundary_class": "equal-total-different-fragmentation",
    "subject": "bay-7-r2",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-room-equal-total-different-fragmentation-3",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:17-09:02, 09:28-10:03.\nTotal suite-9-r3 time in 2026-09-20 08:00-12:00: 80 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:17-09:02, 09:28-10:03.\ntime-total(suite-9-r3, 2026-09-20 08:00-12:00): 80 minutes.",
   "question": "The report's final line states one quantity about suite-9-r3 in the window. Which of these does that line state? A = the longest uninterrupted stretch: 45 minutes; B = the exact quantity is not determined by this record; C = the span from the first record to the last: 106 minutes; D = the summed duration the state held: 80 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "room availability",
    "boundary_class": "equal-total-different-fragmentation",
    "subject": "suite-9-r3",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-room-equal-longest-different-total-0",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:23-08:59.\nTotal bay-7 time in 2026-09-20 08:00-12:00: 36 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:23-08:59.\ntime-total(bay-7, 2026-09-20 08:00-12:00): 36 minutes.",
   "question": "The report's final line states one quantity about bay-7 in the window. Which of these does that line state? A = the summed duration the state held: 36 minutes; B = the exact quantity is not determined by this record; C = the span from the first record to the last: 36 minutes; D = the longest uninterrupted stretch: 36 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "A",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "room availability",
    "boundary_class": "equal-longest-different-total",
    "subject": "bay-7",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-room-equal-longest-different-total-1",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:52-09:42, 10:16-10:31, 11:06-11:18.\nTotal suite-9 time in 2026-09-20 08:00-12:00: 77 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:52-09:42, 10:16-10:31, 11:06-11:18.\ntime-total(suite-9, 2026-09-20 08:00-12:00): 77 minutes.",
   "question": "The report's final line states one quantity about suite-9 in the window. Which of these does that line state? A = the span from the first record to the last: 146 minutes; B = the summed duration the state held: 77 minutes; C = the exact quantity is not determined by this record; D = the longest uninterrupted stretch: 50 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "B",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "room availability",
    "boundary_class": "equal-longest-different-total",
    "subject": "suite-9",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-room-equal-longest-different-total-2",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:34-09:24.\nTotal bay-7-r2 time in 2026-09-20 08:00-12:00: 50 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:34-09:24.\ntime-total(bay-7-r2, 2026-09-20 08:00-12:00): 50 minutes.",
   "question": "The report's final line states one quantity about bay-7-r2 in the window. Which of these does that line state? A = the exact quantity is not determined by this record; B = the longest uninterrupted stretch: 50 minutes; C = the summed duration the state held: 50 minutes; D = the span from the first record to the last: 50 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "C",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "room availability",
    "boundary_class": "equal-longest-different-total",
    "subject": "bay-7-r2",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-room-equal-longest-different-total-3",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 09:03-09:48, 10:15-10:25, 10:44-11:04.\nTotal suite-9-r3 time in 2026-09-20 08:00-12:00: 75 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 09:03-09:48, 10:15-10:25, 10:44-11:04.\ntime-total(suite-9-r3, 2026-09-20 08:00-12:00): 75 minutes.",
   "question": "The report's final line states one quantity about suite-9-r3 in the window. Which of these does that line state? A = the exact quantity is not determined by this record; B = the longest uninterrupted stretch: 45 minutes; C = the span from the first record to the last: 121 minutes; D = the summed duration the state held: 75 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "room availability",
    "boundary_class": "equal-longest-different-total",
    "subject": "suite-9-r3",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-room-clipped-at-window-0",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 07:33-08:29, 10:25-11:05.\nTotal bay-7 time in 2026-09-20 08:00-12:00: 69 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 07:33-08:29, 10:25-11:05.\ntime-total(bay-7, 2026-09-20 08:00-12:00): 69 minutes.",
   "question": "The report's final line states one quantity about bay-7 in the window. Which of these does that line state? A = the summed duration the state held: 69 minutes; B = the span from the first record to the last: 185 minutes; C = the longest uninterrupted stretch: 40 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "A",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "room availability",
    "boundary_class": "clipped-at-window",
    "subject": "bay-7",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-room-clipped-at-window-1",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 07:29-08:37, 09:09-09:35.\nTotal suite-9 time in 2026-09-20 08:00-12:00: 63 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 07:29-08:37, 09:09-09:35.\ntime-total(suite-9, 2026-09-20 08:00-12:00): 63 minutes.",
   "question": "The report's final line states one quantity about suite-9 in the window. Which of these does that line state? A = the exact quantity is not determined by this record; B = the summed duration the state held: 63 minutes; C = the span from the first record to the last: 95 minutes; D = the longest uninterrupted stretch: 37 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "B",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "room availability",
    "boundary_class": "clipped-at-window",
    "subject": "suite-9",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-room-clipped-at-window-2",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 07:25-08:20, 10:29-11:00.\nTotal bay-7-r2 time in 2026-09-20 08:00-12:00: 51 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 07:25-08:20, 10:29-11:00.\ntime-total(bay-7-r2, 2026-09-20 08:00-12:00): 51 minutes.",
   "question": "The report's final line states one quantity about bay-7-r2 in the window. Which of these does that line state? A = the longest uninterrupted stretch: 31 minutes; B = the span from the first record to the last: 180 minutes; C = the summed duration the state held: 51 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "C",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "room availability",
    "boundary_class": "clipped-at-window",
    "subject": "bay-7-r2",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-room-clipped-at-window-3",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 07:32-08:35, 10:15-10:49.\nTotal suite-9-r3 time in 2026-09-20 08:00-12:00: 69 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 07:32-08:35, 10:15-10:49.\ntime-total(suite-9-r3, 2026-09-20 08:00-12:00): 69 minutes.",
   "question": "The report's final line states one quantity about suite-9-r3 in the window. Which of these does that line state? A = the span from the first record to the last: 169 minutes; B = the longest uninterrupted stretch: 35 minutes; C = the exact quantity is not determined by this record; D = the summed duration the state held: 69 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "room availability",
    "boundary_class": "clipped-at-window",
    "subject": "suite-9-r3",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-room-overlapping-or-abutting-0",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:16-09:00, 08:45-09:27, 09:42-10:02, 10:02-10:42.\nTotal bay-7 time in 2026-09-20 08:00-12:00: 131 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:16-09:00, 08:45-09:27, 09:42-10:02, 10:02-10:42.\ntime-total(bay-7, 2026-09-20 08:00-12:00): 131 minutes.",
   "question": "The report's final line states one quantity about bay-7 in the window. Which of these does that line state? A = the summed duration the state held: 131 minutes; B = the exact quantity is not determined by this record; C = the longest uninterrupted stretch: 71 minutes; D = the span from the first record to the last: 146 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "A",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "room availability",
    "boundary_class": "overlapping-or-abutting",
    "subject": "bay-7",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-room-overlapping-or-abutting-1",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:45-09:26, 09:12-10:04, 10:19-10:39, 10:39-11:08.\nTotal suite-9 time in 2026-09-20 08:00-12:00: 128 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:45-09:26, 09:12-10:04, 10:19-10:39, 10:39-11:08.\ntime-total(suite-9, 2026-09-20 08:00-12:00): 128 minutes.",
   "question": "The report's final line states one quantity about suite-9 in the window. Which of these does that line state? A = the span from the first record to the last: 143 minutes; B = the summed duration the state held: 128 minutes; C = the longest uninterrupted stretch: 79 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "B",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "room availability",
    "boundary_class": "overlapping-or-abutting",
    "subject": "suite-9",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-room-overlapping-or-abutting-2",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:52-09:17, 09:03-09:58, 10:24-10:44, 10:44-11:18.\nTotal bay-7-r2 time in 2026-09-20 08:00-12:00: 120 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:52-09:17, 09:03-09:58, 10:24-10:44, 10:44-11:18.\ntime-total(bay-7-r2, 2026-09-20 08:00-12:00): 120 minutes.",
   "question": "The report's final line states one quantity about bay-7-r2 in the window. Which of these does that line state? A = the longest uninterrupted stretch: 66 minutes; B = the span from the first record to the last: 146 minutes; C = the summed duration the state held: 120 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "C",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "room availability",
    "boundary_class": "overlapping-or-abutting",
    "subject": "bay-7-r2",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-room-overlapping-or-abutting-3",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:55-09:26, 09:18-09:58, 10:24-10:44, 10:44-11:23.\nTotal suite-9-r3 time in 2026-09-20 08:00-12:00: 122 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:55-09:26, 09:18-09:58, 10:24-10:44, 10:44-11:23.\ntime-total(suite-9-r3, 2026-09-20 08:00-12:00): 122 minutes.",
   "question": "The report's final line states one quantity about suite-9-r3 in the window. Which of these does that line state? A = the longest uninterrupted stretch: 63 minutes; B = the span from the first record to the last: 148 minutes; C = the exact quantity is not determined by this record; D = the summed duration the state held: 122 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "room availability",
    "boundary_class": "overlapping-or-abutting",
    "subject": "suite-9-r3",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-room-known-absence-or-full-window-0",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:00-12:00. coverage: the sensor reported for the whole window and the state held throughout.\nTotal bay-7 time in 2026-09-20 08:00-12:00: 240 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:00-12:00. coverage: the sensor reported for the whole window and the state held throughout.\ntime-total(bay-7, 2026-09-20 08:00-12:00): 240 minutes.",
   "question": "The report's final line states one quantity about bay-7 in the window. Which of these does that line state? A = the summed duration the state held: 240 minutes; B = the exact quantity is not determined by this record; C = the longest uninterrupted stretch: 240 minutes; D = the span from the first record to the last: 240 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "A",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "room availability",
    "boundary_class": "known-absence-or-full-window",
    "subject": "bay-7",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-room-known-absence-or-full-window-1",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:00-12:00. coverage: the sensor reported for the whole window and the state held throughout.\nTotal suite-9 time in 2026-09-20 08:00-12:00: 240 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:00-12:00. coverage: the sensor reported for the whole window and the state held throughout.\ntime-total(suite-9, 2026-09-20 08:00-12:00): 240 minutes.",
   "question": "The report's final line states one quantity about suite-9 in the window. Which of these does that line state? A = the span from the first record to the last: 240 minutes; B = the summed duration the state held: 240 minutes; C = the longest uninterrupted stretch: 240 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "B",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "room availability",
    "boundary_class": "known-absence-or-full-window",
    "subject": "suite-9",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-room-known-absence-or-full-window-2",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:00-12:00. coverage: the sensor reported for the whole window and the state held throughout.\nTotal bay-7-r2 time in 2026-09-20 08:00-12:00: 240 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:00-12:00. coverage: the sensor reported for the whole window and the state held throughout.\ntime-total(bay-7-r2, 2026-09-20 08:00-12:00): 240 minutes.",
   "question": "The report's final line states one quantity about bay-7-r2 in the window. Which of these does that line state? A = the longest uninterrupted stretch: 240 minutes; B = the exact quantity is not determined by this record; C = the summed duration the state held: 240 minutes; D = the span from the first record to the last: 240 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "C",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "room availability",
    "boundary_class": "known-absence-or-full-window",
    "subject": "bay-7-r2",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-room-known-absence-or-full-window-3",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: none recorded. coverage: the sensor reported for the whole window and the state never held.\nTotal suite-9-r3 time in 2026-09-20 08:00-12:00: 0 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: none recorded. coverage: the sensor reported for the whole window and the state never held.\ntime-total(suite-9-r3, 2026-09-20 08:00-12:00): 0 minutes.",
   "question": "The report's final line states one quantity about suite-9-r3 in the window. Which of these does that line state? A = the longest uninterrupted stretch: 0 minutes; B = the exact quantity is not determined by this record; C = the span from the first record to the last: 0 minutes; D = the summed duration the state held: 0 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "room availability",
    "boundary_class": "known-absence-or-full-window",
    "subject": "suite-9-r3",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-room-missing-coverage-0",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:34-09:02, 10:33-11:23. coverage unknown 09:02-10:33: no records exist for that period.\nTotal bay-7 time in 2026-09-20 08:00-12:00: not determined.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:34-09:02, 10:33-11:23. coverage unknown 09:02-10:33: no records exist for that period.\ntime-total(bay-7, 2026-09-20 08:00-12:00): not determined.",
   "question": "The report's final line states one quantity about bay-7 in the window. Which of these does that line state? A = the exact quantity is not determined by this record; B = the summed duration the state held: 78 minutes; C = the span from the first record to the last: 169 minutes; D = the longest uninterrupted stretch: 50 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "A",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "room availability",
    "boundary_class": "missing-coverage",
    "subject": "bay-7",
    "determined": false
   }
  },
  {
   "id": "tt-r71-time-total-room-missing-coverage-1",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:28-08:57, 10:12-11:06. coverage unknown 08:57-10:12: no records exist for that period.\nTotal suite-9 time in 2026-09-20 08:00-12:00: not determined.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:28-08:57, 10:12-11:06. coverage unknown 08:57-10:12: no records exist for that period.\ntime-total(suite-9, 2026-09-20 08:00-12:00): not determined.",
   "question": "The report's final line states one quantity about suite-9 in the window. Which of these does that line state? A = the span from the first record to the last: 158 minutes; B = the exact quantity is not determined by this record; C = the summed duration the state held: 83 minutes; D = the longest uninterrupted stretch: 54 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "B",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "room availability",
    "boundary_class": "missing-coverage",
    "subject": "suite-9",
    "determined": false
   }
  },
  {
   "id": "tt-r71-time-total-room-missing-coverage-2",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:15-08:50, 10:12-10:54. coverage unknown 08:50-10:12: no records exist for that period.\nTotal bay-7-r2 time in 2026-09-20 08:00-12:00: not determined.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:15-08:50, 10:12-10:54. coverage unknown 08:50-10:12: no records exist for that period.\ntime-total(bay-7-r2, 2026-09-20 08:00-12:00): not determined.",
   "question": "The report's final line states one quantity about bay-7-r2 in the window. Which of these does that line state? A = the summed duration the state held: 77 minutes; B = the longest uninterrupted stretch: 42 minutes; C = the exact quantity is not determined by this record; D = the span from the first record to the last: 159 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "C",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "room availability",
    "boundary_class": "missing-coverage",
    "subject": "bay-7-r2",
    "determined": false
   }
  },
  {
   "id": "tt-r71-time-total-room-missing-coverage-3",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:12-08:34, 10:05-10:59. coverage unknown 08:34-10:05: no records exist for that period.\nTotal suite-9-r3 time in 2026-09-20 08:00-12:00: not determined.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:12-08:34, 10:05-10:59. coverage unknown 08:34-10:05: no records exist for that period.\ntime-total(suite-9-r3, 2026-09-20 08:00-12:00): not determined.",
   "question": "The report's final line states one quantity about suite-9-r3 in the window. Which of these does that line state? A = the span from the first record to the last: 167 minutes; B = the longest uninterrupted stretch: 54 minutes; C = the summed duration the state held: 76 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "room availability",
    "boundary_class": "missing-coverage",
    "subject": "suite-9-r3",
    "determined": false
   }
  },
  {
   "id": "tt-r71-time-total-worker-equal-total-different-fragmentation-0",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:24-09:09, 09:25-10:23.\nTotal crew-8 time in 2026-09-20 08:00-12:00: 103 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:24-09:09, 09:25-10:23.\ntime-total(crew-8, 2026-09-20 08:00-12:00): 103 minutes.",
   "question": "The report's final line states one quantity about crew-8 in the window. Which of these does that line state? A = the summed duration the state held: 103 minutes; B = the longest uninterrupted stretch: 58 minutes; C = the span from the first record to the last: 119 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "A",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "worker readiness",
    "boundary_class": "equal-total-different-fragmentation",
    "subject": "crew-8",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-worker-equal-total-different-fragmentation-1",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:15-08:37, 09:03-09:24, 09:48-10:09, 10:37-10:58.\nTotal team-6 time in 2026-09-20 08:00-12:00: 85 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:15-08:37, 09:03-09:24, 09:48-10:09, 10:37-10:58.\ntime-total(team-6, 2026-09-20 08:00-12:00): 85 minutes.",
   "question": "The report's final line states one quantity about team-6 in the window. Which of these does that line state? A = the longest uninterrupted stretch: 22 minutes; B = the summed duration the state held: 85 minutes; C = the span from the first record to the last: 163 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "B",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "worker readiness",
    "boundary_class": "equal-total-different-fragmentation",
    "subject": "team-6",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-worker-equal-total-different-fragmentation-2",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:30-09:20, 09:40-10:26.\nTotal crew-8-w2 time in 2026-09-20 08:00-12:00: 96 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:30-09:20, 09:40-10:26.\ntime-total(crew-8-w2, 2026-09-20 08:00-12:00): 96 minutes.",
   "question": "The report's final line states one quantity about crew-8-w2 in the window. Which of these does that line state? A = the longest uninterrupted stretch: 50 minutes; B = the exact quantity is not determined by this record; C = the summed duration the state held: 96 minutes; D = the span from the first record to the last: 116 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "C",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "worker readiness",
    "boundary_class": "equal-total-different-fragmentation",
    "subject": "crew-8-w2",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-worker-equal-total-different-fragmentation-3",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:13-08:36, 09:00-09:23, 09:48-10:10, 10:29-10:51.\nTotal team-6-w3 time in 2026-09-20 08:00-12:00: 90 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:13-08:36, 09:00-09:23, 09:48-10:10, 10:29-10:51.\ntime-total(team-6-w3, 2026-09-20 08:00-12:00): 90 minutes.",
   "question": "The report's final line states one quantity about team-6-w3 in the window. Which of these does that line state? A = the exact quantity is not determined by this record; B = the span from the first record to the last: 158 minutes; C = the longest uninterrupted stretch: 23 minutes; D = the summed duration the state held: 90 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "worker readiness",
    "boundary_class": "equal-total-different-fragmentation",
    "subject": "team-6-w3",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-worker-equal-longest-different-total-0",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:43-09:19.\nTotal crew-8 time in 2026-09-20 08:00-12:00: 36 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:43-09:19.\ntime-total(crew-8, 2026-09-20 08:00-12:00): 36 minutes.",
   "question": "The report's final line states one quantity about crew-8 in the window. Which of these does that line state? A = the summed duration the state held: 36 minutes; B = the exact quantity is not determined by this record; C = the longest uninterrupted stretch: 36 minutes; D = the span from the first record to the last: 36 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "A",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "worker readiness",
    "boundary_class": "equal-longest-different-total",
    "subject": "crew-8",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-worker-equal-longest-different-total-1",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:36-09:21.\nTotal team-6 time in 2026-09-20 08:00-12:00: 45 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:36-09:21.\ntime-total(team-6, 2026-09-20 08:00-12:00): 45 minutes.",
   "question": "The report's final line states one quantity about team-6 in the window. Which of these does that line state? A = the longest uninterrupted stretch: 45 minutes; B = the summed duration the state held: 45 minutes; C = the exact quantity is not determined by this record; D = the span from the first record to the last: 45 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "B",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "worker readiness",
    "boundary_class": "equal-longest-different-total",
    "subject": "team-6",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-worker-equal-longest-different-total-2",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 09:08-09:44, 10:09-10:30, 10:50-11:07.\nTotal crew-8-w2 time in 2026-09-20 08:00-12:00: 74 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 09:08-09:44, 10:09-10:30, 10:50-11:07.\ntime-total(crew-8-w2, 2026-09-20 08:00-12:00): 74 minutes.",
   "question": "The report's final line states one quantity about crew-8-w2 in the window. Which of these does that line state? A = the longest uninterrupted stretch: 36 minutes; B = the span from the first record to the last: 119 minutes; C = the summed duration the state held: 74 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "C",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "worker readiness",
    "boundary_class": "equal-longest-different-total",
    "subject": "crew-8-w2",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-worker-equal-longest-different-total-3",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:33-09:23.\nTotal team-6-w3 time in 2026-09-20 08:00-12:00: 50 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:33-09:23.\ntime-total(team-6-w3, 2026-09-20 08:00-12:00): 50 minutes.",
   "question": "The report's final line states one quantity about team-6-w3 in the window. Which of these does that line state? A = the longest uninterrupted stretch: 50 minutes; B = the span from the first record to the last: 50 minutes; C = the exact quantity is not determined by this record; D = the summed duration the state held: 50 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "worker readiness",
    "boundary_class": "equal-longest-different-total",
    "subject": "team-6-w3",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-worker-clipped-at-window-0",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 09:02-09:33.\nTotal crew-8 time in 2026-09-20 08:00-12:00: 31 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 09:02-09:33.\ntime-total(crew-8, 2026-09-20 08:00-12:00): 31 minutes.",
   "question": "The report's final line states one quantity about crew-8 in the window. Which of these does that line state? A = the summed duration the state held: 31 minutes; B = the exact quantity is not determined by this record; C = the span from the first record to the last: 31 minutes; D = the longest uninterrupted stretch: 31 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "A",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "worker readiness",
    "boundary_class": "clipped-at-window",
    "subject": "crew-8",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-worker-clipped-at-window-1",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 07:30-08:47, 09:11-09:46, 11:49-12:15.\nTotal team-6 time in 2026-09-20 08:00-12:00: 93 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 07:30-08:47, 09:11-09:46, 11:49-12:15.\ntime-total(team-6, 2026-09-20 08:00-12:00): 93 minutes.",
   "question": "The report's final line states one quantity about team-6 in the window. Which of these does that line state? A = the longest uninterrupted stretch: 47 minutes; B = the summed duration the state held: 93 minutes; C = the exact quantity is not determined by this record; D = the span from the first record to the last: 240 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "B",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "worker readiness",
    "boundary_class": "clipped-at-window",
    "subject": "team-6",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-worker-clipped-at-window-2",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 09:53-10:29.\nTotal crew-8-w2 time in 2026-09-20 08:00-12:00: 36 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 09:53-10:29.\ntime-total(crew-8-w2, 2026-09-20 08:00-12:00): 36 minutes.",
   "question": "The report's final line states one quantity about crew-8-w2 in the window. Which of these does that line state? A = the exact quantity is not determined by this record; B = the span from the first record to the last: 36 minutes; C = the summed duration the state held: 36 minutes; D = the longest uninterrupted stretch: 36 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "C",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "worker readiness",
    "boundary_class": "clipped-at-window",
    "subject": "crew-8-w2",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-worker-clipped-at-window-3",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 07:34-08:33, 09:02-09:30.\nTotal team-6-w3 time in 2026-09-20 08:00-12:00: 61 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 07:34-08:33, 09:02-09:30.\ntime-total(team-6-w3, 2026-09-20 08:00-12:00): 61 minutes.",
   "question": "The report's final line states one quantity about team-6-w3 in the window. Which of these does that line state? A = the longest uninterrupted stretch: 33 minutes; B = the exact quantity is not determined by this record; C = the span from the first record to the last: 90 minutes; D = the summed duration the state held: 61 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "worker readiness",
    "boundary_class": "clipped-at-window",
    "subject": "team-6-w3",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-worker-overlapping-or-abutting-0",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:25-08:56, 08:44-09:36, 10:05-10:25, 10:25-10:55.\nTotal crew-8 time in 2026-09-20 08:00-12:00: 121 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:25-08:56, 08:44-09:36, 10:05-10:25, 10:25-10:55.\ntime-total(crew-8, 2026-09-20 08:00-12:00): 121 minutes.",
   "question": "The report's final line states one quantity about crew-8 in the window. Which of these does that line state? A = the summed duration the state held: 121 minutes; B = the span from the first record to the last: 150 minutes; C = the longest uninterrupted stretch: 71 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "A",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "worker readiness",
    "boundary_class": "overlapping-or-abutting",
    "subject": "crew-8",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-worker-overlapping-or-abutting-1",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:17-08:53, 08:42-09:29, 09:50-10:10, 10:10-10:41.\nTotal team-6 time in 2026-09-20 08:00-12:00: 123 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:17-08:53, 08:42-09:29, 09:50-10:10, 10:10-10:41.\ntime-total(team-6, 2026-09-20 08:00-12:00): 123 minutes.",
   "question": "The report's final line states one quantity about team-6 in the window. Which of these does that line state? A = the exact quantity is not determined by this record; B = the summed duration the state held: 123 minutes; C = the longest uninterrupted stretch: 72 minutes; D = the span from the first record to the last: 144 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "B",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "worker readiness",
    "boundary_class": "overlapping-or-abutting",
    "subject": "team-6",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-worker-overlapping-or-abutting-2",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:26-08:53, 08:48-09:32, 09:54-10:14, 10:14-10:48.\nTotal crew-8-w2 time in 2026-09-20 08:00-12:00: 120 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:26-08:53, 08:48-09:32, 09:54-10:14, 10:14-10:48.\ntime-total(crew-8-w2, 2026-09-20 08:00-12:00): 120 minutes.",
   "question": "The report's final line states one quantity about crew-8-w2 in the window. Which of these does that line state? A = the span from the first record to the last: 142 minutes; B = the longest uninterrupted stretch: 66 minutes; C = the summed duration the state held: 120 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "C",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "worker readiness",
    "boundary_class": "overlapping-or-abutting",
    "subject": "crew-8-w2",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-worker-overlapping-or-abutting-3",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:52-09:35, 09:30-10:05, 10:24-10:44, 10:44-11:24.\nTotal team-6-w3 time in 2026-09-20 08:00-12:00: 133 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:52-09:35, 09:30-10:05, 10:24-10:44, 10:44-11:24.\ntime-total(team-6-w3, 2026-09-20 08:00-12:00): 133 minutes.",
   "question": "The report's final line states one quantity about team-6-w3 in the window. Which of these does that line state? A = the exact quantity is not determined by this record; B = the span from the first record to the last: 152 minutes; C = the longest uninterrupted stretch: 73 minutes; D = the summed duration the state held: 133 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "worker readiness",
    "boundary_class": "overlapping-or-abutting",
    "subject": "team-6-w3",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-worker-known-absence-or-full-window-0",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: none recorded. coverage: the sensor reported for the whole window and the state never held.\nTotal crew-8 time in 2026-09-20 08:00-12:00: 0 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: none recorded. coverage: the sensor reported for the whole window and the state never held.\ntime-total(crew-8, 2026-09-20 08:00-12:00): 0 minutes.",
   "question": "The report's final line states one quantity about crew-8 in the window. Which of these does that line state? A = the summed duration the state held: 0 minutes; B = the longest uninterrupted stretch: 0 minutes; C = the span from the first record to the last: 0 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "A",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "worker readiness",
    "boundary_class": "known-absence-or-full-window",
    "subject": "crew-8",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-worker-known-absence-or-full-window-1",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:00-12:00. coverage: the sensor reported for the whole window and the state held throughout.\nTotal team-6 time in 2026-09-20 08:00-12:00: 240 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:00-12:00. coverage: the sensor reported for the whole window and the state held throughout.\ntime-total(team-6, 2026-09-20 08:00-12:00): 240 minutes.",
   "question": "The report's final line states one quantity about team-6 in the window. Which of these does that line state? A = the exact quantity is not determined by this record; B = the summed duration the state held: 240 minutes; C = the span from the first record to the last: 240 minutes; D = the longest uninterrupted stretch: 240 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "B",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "worker readiness",
    "boundary_class": "known-absence-or-full-window",
    "subject": "team-6",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-worker-known-absence-or-full-window-2",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: none recorded. coverage: the sensor reported for the whole window and the state never held.\nTotal crew-8-w2 time in 2026-09-20 08:00-12:00: 0 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: none recorded. coverage: the sensor reported for the whole window and the state never held.\ntime-total(crew-8-w2, 2026-09-20 08:00-12:00): 0 minutes.",
   "question": "The report's final line states one quantity about crew-8-w2 in the window. Which of these does that line state? A = the exact quantity is not determined by this record; B = the longest uninterrupted stretch: 0 minutes; C = the summed duration the state held: 0 minutes; D = the span from the first record to the last: 0 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "C",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "worker readiness",
    "boundary_class": "known-absence-or-full-window",
    "subject": "crew-8-w2",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-worker-known-absence-or-full-window-3",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: none recorded. coverage: the sensor reported for the whole window and the state never held.\nTotal team-6-w3 time in 2026-09-20 08:00-12:00: 0 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: none recorded. coverage: the sensor reported for the whole window and the state never held.\ntime-total(team-6-w3, 2026-09-20 08:00-12:00): 0 minutes.",
   "question": "The report's final line states one quantity about team-6-w3 in the window. Which of these does that line state? A = the exact quantity is not determined by this record; B = the longest uninterrupted stretch: 0 minutes; C = the span from the first record to the last: 0 minutes; D = the summed duration the state held: 0 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "worker readiness",
    "boundary_class": "known-absence-or-full-window",
    "subject": "team-6-w3",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-worker-missing-coverage-0",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:15-08:42, 09:54-11:11. coverage unknown 08:42-09:54: no records exist for that period.\nTotal crew-8 time in 2026-09-20 08:00-12:00: not determined.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:15-08:42, 09:54-11:11. coverage unknown 08:42-09:54: no records exist for that period.\ntime-total(crew-8, 2026-09-20 08:00-12:00): not determined.",
   "question": "The report's final line states one quantity about crew-8 in the window. Which of these does that line state? A = the exact quantity is not determined by this record; B = the summed duration the state held: 104 minutes; C = the longest uninterrupted stretch: 77 minutes; D = the span from the first record to the last: 176 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "A",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "worker readiness",
    "boundary_class": "missing-coverage",
    "subject": "crew-8",
    "determined": false
   }
  },
  {
   "id": "tt-r71-time-total-worker-missing-coverage-1",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:25-08:52, 10:13-11:15. coverage unknown 08:52-10:13: no records exist for that period.\nTotal team-6 time in 2026-09-20 08:00-12:00: not determined.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:25-08:52, 10:13-11:15. coverage unknown 08:52-10:13: no records exist for that period.\ntime-total(team-6, 2026-09-20 08:00-12:00): not determined.",
   "question": "The report's final line states one quantity about team-6 in the window. Which of these does that line state? A = the span from the first record to the last: 170 minutes; B = the exact quantity is not determined by this record; C = the summed duration the state held: 89 minutes; D = the longest uninterrupted stretch: 62 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "B",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "worker readiness",
    "boundary_class": "missing-coverage",
    "subject": "team-6",
    "determined": false
   }
  },
  {
   "id": "tt-r71-time-total-worker-missing-coverage-2",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:32-09:01, 10:14-11:13. coverage unknown 09:01-10:14: no records exist for that period.\nTotal crew-8-w2 time in 2026-09-20 08:00-12:00: not determined.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:32-09:01, 10:14-11:13. coverage unknown 09:01-10:14: no records exist for that period.\ntime-total(crew-8-w2, 2026-09-20 08:00-12:00): not determined.",
   "question": "The report's final line states one quantity about crew-8-w2 in the window. Which of these does that line state? A = the longest uninterrupted stretch: 59 minutes; B = the summed duration the state held: 88 minutes; C = the exact quantity is not determined by this record; D = the span from the first record to the last: 161 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "C",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "worker readiness",
    "boundary_class": "missing-coverage",
    "subject": "crew-8-w2",
    "determined": false
   }
  },
  {
   "id": "tt-r71-time-total-worker-missing-coverage-3",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:22-08:43, 10:09-11:23. coverage unknown 08:43-10:09: no records exist for that period.\nTotal team-6-w3 time in 2026-09-20 08:00-12:00: not determined.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:22-08:43, 10:09-11:23. coverage unknown 08:43-10:09: no records exist for that period.\ntime-total(team-6-w3, 2026-09-20 08:00-12:00): not determined.",
   "question": "The report's final line states one quantity about team-6-w3 in the window. Which of these does that line state? A = the longest uninterrupted stretch: 74 minutes; B = the span from the first record to the last: 181 minutes; C = the summed duration the state held: 95 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "worker readiness",
    "boundary_class": "missing-coverage",
    "subject": "team-6-w3",
    "determined": false
   }
  },
  {
   "id": "tt-r71-time-total-link-equal-total-different-fragmentation-0",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:37-09:25, 09:40-10:49.\nTotal link-14 time in 2026-09-20 08:00-12:00: 117 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:37-09:25, 09:40-10:49.\ntime-total(link-14, 2026-09-20 08:00-12:00): 117 minutes.",
   "question": "The report's final line states one quantity about link-14 in the window. Which of these does that line state? A = the summed duration the state held: 117 minutes; B = the longest uninterrupted stretch: 69 minutes; C = the span from the first record to the last: 132 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "A",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "link outages",
    "boundary_class": "equal-total-different-fragmentation",
    "subject": "link-14",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-link-equal-total-different-fragmentation-1",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:21-08:45, 09:05-09:29, 09:54-10:18, 10:44-11:08.\nTotal link-23 time in 2026-09-20 08:00-12:00: 96 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:21-08:45, 09:05-09:29, 09:54-10:18, 10:44-11:08.\ntime-total(link-23, 2026-09-20 08:00-12:00): 96 minutes.",
   "question": "The report's final line states one quantity about link-23 in the window. Which of these does that line state? A = the span from the first record to the last: 167 minutes; B = the summed duration the state held: 96 minutes; C = the exact quantity is not determined by this record; D = the longest uninterrupted stretch: 24 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "B",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "link outages",
    "boundary_class": "equal-total-different-fragmentation",
    "subject": "link-23",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-link-equal-total-different-fragmentation-2",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:18-08:41, 09:01-09:24, 09:45-10:07, 10:21-10:43.\nTotal link-14-l2 time in 2026-09-20 08:00-12:00: 90 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:18-08:41, 09:01-09:24, 09:45-10:07, 10:21-10:43.\ntime-total(link-14-l2, 2026-09-20 08:00-12:00): 90 minutes.",
   "question": "The report's final line states one quantity about link-14-l2 in the window. Which of these does that line state? A = the exact quantity is not determined by this record; B = the longest uninterrupted stretch: 23 minutes; C = the summed duration the state held: 90 minutes; D = the span from the first record to the last: 145 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "C",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "link outages",
    "boundary_class": "equal-total-different-fragmentation",
    "subject": "link-14-l2",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-link-equal-total-different-fragmentation-3",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:25-09:07, 09:38-10:13.\nTotal link-23-l3 time in 2026-09-20 08:00-12:00: 77 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:25-09:07, 09:38-10:13.\ntime-total(link-23-l3, 2026-09-20 08:00-12:00): 77 minutes.",
   "question": "The report's final line states one quantity about link-23-l3 in the window. Which of these does that line state? A = the longest uninterrupted stretch: 42 minutes; B = the exact quantity is not determined by this record; C = the span from the first record to the last: 108 minutes; D = the summed duration the state held: 77 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "link outages",
    "boundary_class": "equal-total-different-fragmentation",
    "subject": "link-23-l3",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-link-equal-longest-different-total-0",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:29-09:14, 09:49-10:06, 10:36-10:52, 11:22-11:41.\nTotal link-14 time in 2026-09-20 08:00-12:00: 97 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:29-09:14, 09:49-10:06, 10:36-10:52, 11:22-11:41.\ntime-total(link-14, 2026-09-20 08:00-12:00): 97 minutes.",
   "question": "The report's final line states one quantity about link-14 in the window. Which of these does that line state? A = the summed duration the state held: 97 minutes; B = the exact quantity is not determined by this record; C = the span from the first record to the last: 192 minutes; D = the longest uninterrupted stretch: 45 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "A",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "link outages",
    "boundary_class": "equal-longest-different-total",
    "subject": "link-14",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-link-equal-longest-different-total-1",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:20-09:10, 09:46-10:02.\nTotal link-23 time in 2026-09-20 08:00-12:00: 66 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:20-09:10, 09:46-10:02.\ntime-total(link-23, 2026-09-20 08:00-12:00): 66 minutes.",
   "question": "The report's final line states one quantity about link-23 in the window. Which of these does that line state? A = the span from the first record to the last: 102 minutes; B = the summed duration the state held: 66 minutes; C = the longest uninterrupted stretch: 50 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "B",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "link outages",
    "boundary_class": "equal-longest-different-total",
    "subject": "link-23",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-link-equal-longest-different-total-2",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 09:05-09:55, 10:17-10:37.\nTotal link-14-l2 time in 2026-09-20 08:00-12:00: 70 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 09:05-09:55, 10:17-10:37.\ntime-total(link-14-l2, 2026-09-20 08:00-12:00): 70 minutes.",
   "question": "The report's final line states one quantity about link-14-l2 in the window. Which of these does that line state? A = the longest uninterrupted stretch: 50 minutes; B = the exact quantity is not determined by this record; C = the summed duration the state held: 70 minutes; D = the span from the first record to the last: 92 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "C",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "link outages",
    "boundary_class": "equal-longest-different-total",
    "subject": "link-14-l2",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-link-equal-longest-different-total-3",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:41-09:26.\nTotal link-23-l3 time in 2026-09-20 08:00-12:00: 45 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:41-09:26.\ntime-total(link-23-l3, 2026-09-20 08:00-12:00): 45 minutes.",
   "question": "The report's final line states one quantity about link-23-l3 in the window. Which of these does that line state? A = the exact quantity is not determined by this record; B = the span from the first record to the last: 45 minutes; C = the longest uninterrupted stretch: 45 minutes; D = the summed duration the state held: 45 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "link outages",
    "boundary_class": "equal-longest-different-total",
    "subject": "link-23-l3",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-link-clipped-at-window-0",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 07:38-08:42, 09:06-09:35.\nTotal link-14 time in 2026-09-20 08:00-12:00: 71 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 07:38-08:42, 09:06-09:35.\ntime-total(link-14, 2026-09-20 08:00-12:00): 71 minutes.",
   "question": "The report's final line states one quantity about link-14 in the window. Which of these does that line state? A = the summed duration the state held: 71 minutes; B = the exact quantity is not determined by this record; C = the longest uninterrupted stretch: 42 minutes; D = the span from the first record to the last: 95 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "A",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "link outages",
    "boundary_class": "clipped-at-window",
    "subject": "link-14",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-link-clipped-at-window-1",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 09:57-10:34, 11:21-12:18.\nTotal link-23 time in 2026-09-20 08:00-12:00: 76 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 09:57-10:34, 11:21-12:18.\ntime-total(link-23, 2026-09-20 08:00-12:00): 76 minutes.",
   "question": "The report's final line states one quantity about link-23 in the window. Which of these does that line state? A = the longest uninterrupted stretch: 39 minutes; B = the summed duration the state held: 76 minutes; C = the exact quantity is not determined by this record; D = the span from the first record to the last: 123 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "B",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "link outages",
    "boundary_class": "clipped-at-window",
    "subject": "link-23",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-link-clipped-at-window-2",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 10:12-10:36.\nTotal link-14-l2 time in 2026-09-20 08:00-12:00: 24 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 10:12-10:36.\ntime-total(link-14-l2, 2026-09-20 08:00-12:00): 24 minutes.",
   "question": "The report's final line states one quantity about link-14-l2 in the window. Which of these does that line state? A = the exact quantity is not determined by this record; B = the span from the first record to the last: 24 minutes; C = the summed duration the state held: 24 minutes; D = the longest uninterrupted stretch: 24 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "C",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "link outages",
    "boundary_class": "clipped-at-window",
    "subject": "link-14-l2",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-link-clipped-at-window-3",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 10:03-10:21, 11:27-12:17.\nTotal link-23-l3 time in 2026-09-20 08:00-12:00: 51 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 10:03-10:21, 11:27-12:17.\ntime-total(link-23-l3, 2026-09-20 08:00-12:00): 51 minutes.",
   "question": "The report's final line states one quantity about link-23-l3 in the window. Which of these does that line state? A = the span from the first record to the last: 117 minutes; B = the exact quantity is not determined by this record; C = the longest uninterrupted stretch: 33 minutes; D = the summed duration the state held: 51 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "link outages",
    "boundary_class": "clipped-at-window",
    "subject": "link-23-l3",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-link-overlapping-or-abutting-0",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:19-08:51, 08:39-09:32, 10:00-10:20, 10:20-10:50.\nTotal link-14 time in 2026-09-20 08:00-12:00: 123 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:19-08:51, 08:39-09:32, 10:00-10:20, 10:20-10:50.\ntime-total(link-14, 2026-09-20 08:00-12:00): 123 minutes.",
   "question": "The report's final line states one quantity about link-14 in the window. Which of these does that line state? A = the summed duration the state held: 123 minutes; B = the exact quantity is not determined by this record; C = the longest uninterrupted stretch: 73 minutes; D = the span from the first record to the last: 151 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "A",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "link outages",
    "boundary_class": "overlapping-or-abutting",
    "subject": "link-14",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-link-overlapping-or-abutting-1",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:56-09:24, 09:11-10:01, 10:25-10:45, 10:45-11:22.\nTotal link-23 time in 2026-09-20 08:00-12:00: 122 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:56-09:24, 09:11-10:01, 10:25-10:45, 10:45-11:22.\ntime-total(link-23, 2026-09-20 08:00-12:00): 122 minutes.",
   "question": "The report's final line states one quantity about link-23 in the window. Which of these does that line state? A = the longest uninterrupted stretch: 65 minutes; B = the summed duration the state held: 122 minutes; C = the exact quantity is not determined by this record; D = the span from the first record to the last: 146 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "B",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "link outages",
    "boundary_class": "overlapping-or-abutting",
    "subject": "link-23",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-link-overlapping-or-abutting-2",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:34-09:08, 09:02-09:36, 09:53-10:13, 10:13-10:47.\nTotal link-14-l2 time in 2026-09-20 08:00-12:00: 116 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:34-09:08, 09:02-09:36, 09:53-10:13, 10:13-10:47.\ntime-total(link-14-l2, 2026-09-20 08:00-12:00): 116 minutes.",
   "question": "The report's final line states one quantity about link-14-l2 in the window. Which of these does that line state? A = the span from the first record to the last: 133 minutes; B = the exact quantity is not determined by this record; C = the summed duration the state held: 116 minutes; D = the longest uninterrupted stretch: 62 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "C",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "link outages",
    "boundary_class": "overlapping-or-abutting",
    "subject": "link-14-l2",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-link-overlapping-or-abutting-3",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:55-09:35, 09:22-10:02, 10:26-10:46, 10:46-11:18.\nTotal link-23-l3 time in 2026-09-20 08:00-12:00: 119 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:55-09:35, 09:22-10:02, 10:26-10:46, 10:46-11:18.\ntime-total(link-23-l3, 2026-09-20 08:00-12:00): 119 minutes.",
   "question": "The report's final line states one quantity about link-23-l3 in the window. Which of these does that line state? A = the longest uninterrupted stretch: 67 minutes; B = the exact quantity is not determined by this record; C = the span from the first record to the last: 143 minutes; D = the summed duration the state held: 119 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "link outages",
    "boundary_class": "overlapping-or-abutting",
    "subject": "link-23-l3",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-link-known-absence-or-full-window-0",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: none recorded. coverage: the sensor reported for the whole window and the state never held.\nTotal link-14 time in 2026-09-20 08:00-12:00: 0 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: none recorded. coverage: the sensor reported for the whole window and the state never held.\ntime-total(link-14, 2026-09-20 08:00-12:00): 0 minutes.",
   "question": "The report's final line states one quantity about link-14 in the window. Which of these does that line state? A = the summed duration the state held: 0 minutes; B = the longest uninterrupted stretch: 0 minutes; C = the exact quantity is not determined by this record; D = the span from the first record to the last: 0 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "A",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "link outages",
    "boundary_class": "known-absence-or-full-window",
    "subject": "link-14",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-link-known-absence-or-full-window-1",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: none recorded. coverage: the sensor reported for the whole window and the state never held.\nTotal link-23 time in 2026-09-20 08:00-12:00: 0 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: none recorded. coverage: the sensor reported for the whole window and the state never held.\ntime-total(link-23, 2026-09-20 08:00-12:00): 0 minutes.",
   "question": "The report's final line states one quantity about link-23 in the window. Which of these does that line state? A = the exact quantity is not determined by this record; B = the summed duration the state held: 0 minutes; C = the longest uninterrupted stretch: 0 minutes; D = the span from the first record to the last: 0 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "B",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "link outages",
    "boundary_class": "known-absence-or-full-window",
    "subject": "link-23",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-link-known-absence-or-full-window-2",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:00-12:00. coverage: the sensor reported for the whole window and the state held throughout.\nTotal link-14-l2 time in 2026-09-20 08:00-12:00: 240 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:00-12:00. coverage: the sensor reported for the whole window and the state held throughout.\ntime-total(link-14-l2, 2026-09-20 08:00-12:00): 240 minutes.",
   "question": "The report's final line states one quantity about link-14-l2 in the window. Which of these does that line state? A = the longest uninterrupted stretch: 240 minutes; B = the span from the first record to the last: 240 minutes; C = the summed duration the state held: 240 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "C",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "link outages",
    "boundary_class": "known-absence-or-full-window",
    "subject": "link-14-l2",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-link-known-absence-or-full-window-3",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: none recorded. coverage: the sensor reported for the whole window and the state never held.\nTotal link-23-l3 time in 2026-09-20 08:00-12:00: 0 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: none recorded. coverage: the sensor reported for the whole window and the state never held.\ntime-total(link-23-l3, 2026-09-20 08:00-12:00): 0 minutes.",
   "question": "The report's final line states one quantity about link-23-l3 in the window. Which of these does that line state? A = the longest uninterrupted stretch: 0 minutes; B = the exact quantity is not determined by this record; C = the span from the first record to the last: 0 minutes; D = the summed duration the state held: 0 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "link outages",
    "boundary_class": "known-absence-or-full-window",
    "subject": "link-23-l3",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-link-missing-coverage-0",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:30-08:53, 10:24-11:22. coverage unknown 08:53-10:24: no records exist for that period.\nTotal link-14 time in 2026-09-20 08:00-12:00: not determined.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:30-08:53, 10:24-11:22. coverage unknown 08:53-10:24: no records exist for that period.\ntime-total(link-14, 2026-09-20 08:00-12:00): not determined.",
   "question": "The report's final line states one quantity about link-14 in the window. Which of these does that line state? A = the exact quantity is not determined by this record; B = the summed duration the state held: 81 minutes; C = the span from the first record to the last: 172 minutes; D = the longest uninterrupted stretch: 58 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "A",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "link outages",
    "boundary_class": "missing-coverage",
    "subject": "link-14",
    "determined": false
   }
  },
  {
   "id": "tt-r71-time-total-link-missing-coverage-1",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:11-08:31, 10:09-10:41. coverage unknown 08:31-10:09: no records exist for that period.\nTotal link-23 time in 2026-09-20 08:00-12:00: not determined.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:11-08:31, 10:09-10:41. coverage unknown 08:31-10:09: no records exist for that period.\ntime-total(link-23, 2026-09-20 08:00-12:00): not determined.",
   "question": "The report's final line states one quantity about link-23 in the window. Which of these does that line state? A = the summed duration the state held: 52 minutes; B = the exact quantity is not determined by this record; C = the span from the first record to the last: 150 minutes; D = the longest uninterrupted stretch: 32 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "B",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "link outages",
    "boundary_class": "missing-coverage",
    "subject": "link-23",
    "determined": false
   }
  },
  {
   "id": "tt-r71-time-total-link-missing-coverage-2",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:12-08:41, 10:04-10:46. coverage unknown 08:41-10:04: no records exist for that period.\nTotal link-14-l2 time in 2026-09-20 08:00-12:00: not determined.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:12-08:41, 10:04-10:46. coverage unknown 08:41-10:04: no records exist for that period.\ntime-total(link-14-l2, 2026-09-20 08:00-12:00): not determined.",
   "question": "The report's final line states one quantity about link-14-l2 in the window. Which of these does that line state? A = the span from the first record to the last: 154 minutes; B = the longest uninterrupted stretch: 42 minutes; C = the exact quantity is not determined by this record; D = the summed duration the state held: 71 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "C",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "link outages",
    "boundary_class": "missing-coverage",
    "subject": "link-14-l2",
    "determined": false
   }
  },
  {
   "id": "tt-r71-time-total-link-missing-coverage-3",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:23-08:48, 09:58-11:17. coverage unknown 08:48-09:58: no records exist for that period.\nTotal link-23-l3 time in 2026-09-20 08:00-12:00: not determined.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:23-08:48, 09:58-11:17. coverage unknown 08:48-09:58: no records exist for that period.\ntime-total(link-23-l3, 2026-09-20 08:00-12:00): not determined.",
   "question": "The report's final line states one quantity about link-23-l3 in the window. Which of these does that line state? A = the longest uninterrupted stretch: 79 minutes; B = the summed duration the state held: 104 minutes; C = the span from the first record to the last: 174 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "link outages",
    "boundary_class": "missing-coverage",
    "subject": "link-23-l3",
    "determined": false
   }
  },
  {
   "id": "tt-r71-time-total-power-equal-total-different-fragmentation-0",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:11-09:01, 09:36-10:23.\nTotal grid-5 time in 2026-09-20 08:00-12:00: 97 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:11-09:01, 09:36-10:23.\ntime-total(grid-5, 2026-09-20 08:00-12:00): 97 minutes.",
   "question": "The report's final line states one quantity about grid-5 in the window. Which of these does that line state? A = the summed duration the state held: 97 minutes; B = the exact quantity is not determined by this record; C = the span from the first record to the last: 132 minutes; D = the longest uninterrupted stretch: 50 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "A",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "power availability",
    "boundary_class": "equal-total-different-fragmentation",
    "subject": "grid-5",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-power-equal-total-different-fragmentation-1",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:47-09:29, 09:53-10:41.\nTotal grid-12 time in 2026-09-20 08:00-12:00: 90 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:47-09:29, 09:53-10:41.\ntime-total(grid-12, 2026-09-20 08:00-12:00): 90 minutes.",
   "question": "The report's final line states one quantity about grid-12 in the window. Which of these does that line state? A = the span from the first record to the last: 114 minutes; B = the summed duration the state held: 90 minutes; C = the exact quantity is not determined by this record; D = the longest uninterrupted stretch: 48 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "B",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "power availability",
    "boundary_class": "equal-total-different-fragmentation",
    "subject": "grid-12",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-power-equal-total-different-fragmentation-2",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:19-08:43, 08:57-09:21, 09:37-10:01, 10:23-10:47.\nTotal grid-5-p2 time in 2026-09-20 08:00-12:00: 96 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:19-08:43, 08:57-09:21, 09:37-10:01, 10:23-10:47.\ntime-total(grid-5-p2, 2026-09-20 08:00-12:00): 96 minutes.",
   "question": "The report's final line states one quantity about grid-5-p2 in the window. Which of these does that line state? A = the longest uninterrupted stretch: 24 minutes; B = the span from the first record to the last: 148 minutes; C = the summed duration the state held: 96 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "C",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "power availability",
    "boundary_class": "equal-total-different-fragmentation",
    "subject": "grid-5-p2",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-power-equal-total-different-fragmentation-3",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:50-09:35, 09:54-10:53.\nTotal grid-12-p3 time in 2026-09-20 08:00-12:00: 104 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:50-09:35, 09:54-10:53.\ntime-total(grid-12-p3, 2026-09-20 08:00-12:00): 104 minutes.",
   "question": "The report's final line states one quantity about grid-12-p3 in the window. Which of these does that line state? A = the span from the first record to the last: 123 minutes; B = the exact quantity is not determined by this record; C = the longest uninterrupted stretch: 59 minutes; D = the summed duration the state held: 104 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "power availability",
    "boundary_class": "equal-total-different-fragmentation",
    "subject": "grid-12-p3",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-power-equal-longest-different-total-0",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 09:09-09:49.\nTotal grid-5 time in 2026-09-20 08:00-12:00: 40 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 09:09-09:49.\ntime-total(grid-5, 2026-09-20 08:00-12:00): 40 minutes.",
   "question": "The report's final line states one quantity about grid-5 in the window. Which of these does that line state? A = the summed duration the state held: 40 minutes; B = the span from the first record to the last: 40 minutes; C = the exact quantity is not determined by this record; D = the longest uninterrupted stretch: 40 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "A",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "power availability",
    "boundary_class": "equal-longest-different-total",
    "subject": "grid-5",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-power-equal-longest-different-total-1",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:42-09:32.\nTotal grid-12 time in 2026-09-20 08:00-12:00: 50 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:42-09:32.\ntime-total(grid-12, 2026-09-20 08:00-12:00): 50 minutes.",
   "question": "The report's final line states one quantity about grid-12 in the window. Which of these does that line state? A = the longest uninterrupted stretch: 50 minutes; B = the summed duration the state held: 50 minutes; C = the span from the first record to the last: 50 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "B",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "power availability",
    "boundary_class": "equal-longest-different-total",
    "subject": "grid-12",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-power-equal-longest-different-total-2",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 09:05-09:41, 10:11-10:23, 10:47-11:04.\nTotal grid-5-p2 time in 2026-09-20 08:00-12:00: 65 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 09:05-09:41, 10:11-10:23, 10:47-11:04.\ntime-total(grid-5-p2, 2026-09-20 08:00-12:00): 65 minutes.",
   "question": "The report's final line states one quantity about grid-5-p2 in the window. Which of these does that line state? A = the longest uninterrupted stretch: 36 minutes; B = the span from the first record to the last: 119 minutes; C = the summed duration the state held: 65 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "C",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "power availability",
    "boundary_class": "equal-longest-different-total",
    "subject": "grid-5-p2",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-power-equal-longest-different-total-3",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:54-09:34.\nTotal grid-12-p3 time in 2026-09-20 08:00-12:00: 40 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:54-09:34.\ntime-total(grid-12-p3, 2026-09-20 08:00-12:00): 40 minutes.",
   "question": "The report's final line states one quantity about grid-12-p3 in the window. Which of these does that line state? A = the span from the first record to the last: 40 minutes; B = the exact quantity is not determined by this record; C = the longest uninterrupted stretch: 40 minutes; D = the summed duration the state held: 40 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "power availability",
    "boundary_class": "equal-longest-different-total",
    "subject": "grid-12-p3",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-power-clipped-at-window-0",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 09:30-09:51, 11:31-12:27.\nTotal grid-5 time in 2026-09-20 08:00-12:00: 50 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 09:30-09:51, 11:31-12:27.\ntime-total(grid-5, 2026-09-20 08:00-12:00): 50 minutes.",
   "question": "The report's final line states one quantity about grid-5 in the window. Which of these does that line state? A = the summed duration the state held: 50 minutes; B = the span from the first record to the last: 150 minutes; C = the exact quantity is not determined by this record; D = the longest uninterrupted stretch: 29 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "A",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "power availability",
    "boundary_class": "clipped-at-window",
    "subject": "grid-5",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-power-clipped-at-window-1",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 07:45-08:34, 10:07-10:39.\nTotal grid-12 time in 2026-09-20 08:00-12:00: 66 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 07:45-08:34, 10:07-10:39.\ntime-total(grid-12, 2026-09-20 08:00-12:00): 66 minutes.",
   "question": "The report's final line states one quantity about grid-12 in the window. Which of these does that line state? A = the span from the first record to the last: 159 minutes; B = the summed duration the state held: 66 minutes; C = the longest uninterrupted stretch: 34 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "B",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "power availability",
    "boundary_class": "clipped-at-window",
    "subject": "grid-12",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-power-clipped-at-window-2",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 07:26-08:50, 10:20-10:58, 11:44-12:44.\nTotal grid-5-p2 time in 2026-09-20 08:00-12:00: 104 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 07:26-08:50, 10:20-10:58, 11:44-12:44.\ntime-total(grid-5-p2, 2026-09-20 08:00-12:00): 104 minutes.",
   "question": "The report's final line states one quantity about grid-5-p2 in the window. Which of these does that line state? A = the longest uninterrupted stretch: 50 minutes; B = the span from the first record to the last: 240 minutes; C = the summed duration the state held: 104 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "C",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "power availability",
    "boundary_class": "clipped-at-window",
    "subject": "grid-5-p2",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-power-clipped-at-window-3",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 07:24-08:24, 10:14-10:37, 11:24-12:25.\nTotal grid-12-p3 time in 2026-09-20 08:00-12:00: 83 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 07:24-08:24, 10:14-10:37, 11:24-12:25.\ntime-total(grid-12-p3, 2026-09-20 08:00-12:00): 83 minutes.",
   "question": "The report's final line states one quantity about grid-12-p3 in the window. Which of these does that line state? A = the longest uninterrupted stretch: 36 minutes; B = the exact quantity is not determined by this record; C = the span from the first record to the last: 240 minutes; D = the summed duration the state held: 83 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "power availability",
    "boundary_class": "clipped-at-window",
    "subject": "grid-12-p3",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-power-overlapping-or-abutting-0",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:59-09:38, 09:26-10:18, 10:35-10:55, 10:55-11:25.\nTotal grid-5 time in 2026-09-20 08:00-12:00: 129 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:59-09:38, 09:26-10:18, 10:35-10:55, 10:55-11:25.\ntime-total(grid-5, 2026-09-20 08:00-12:00): 129 minutes.",
   "question": "The report's final line states one quantity about grid-5 in the window. Which of these does that line state? A = the summed duration the state held: 129 minutes; B = the span from the first record to the last: 146 minutes; C = the longest uninterrupted stretch: 79 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "A",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "power availability",
    "boundary_class": "overlapping-or-abutting",
    "subject": "grid-5",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-power-overlapping-or-abutting-1",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:50-09:35, 09:29-10:11, 10:28-10:48, 10:48-11:18.\nTotal grid-12 time in 2026-09-20 08:00-12:00: 131 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:50-09:35, 09:29-10:11, 10:28-10:48, 10:48-11:18.\ntime-total(grid-12, 2026-09-20 08:00-12:00): 131 minutes.",
   "question": "The report's final line states one quantity about grid-12 in the window. Which of these does that line state? A = the longest uninterrupted stretch: 81 minutes; B = the summed duration the state held: 131 minutes; C = the exact quantity is not determined by this record; D = the span from the first record to the last: 148 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "B",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "power availability",
    "boundary_class": "overlapping-or-abutting",
    "subject": "grid-12",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-power-overlapping-or-abutting-2",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:53-09:25, 09:17-09:50, 10:11-10:31, 10:31-10:58.\nTotal grid-5-p2 time in 2026-09-20 08:00-12:00: 104 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:53-09:25, 09:17-09:50, 10:11-10:31, 10:31-10:58.\ntime-total(grid-5-p2, 2026-09-20 08:00-12:00): 104 minutes.",
   "question": "The report's final line states one quantity about grid-5-p2 in the window. Which of these does that line state? A = the exact quantity is not determined by this record; B = the span from the first record to the last: 125 minutes; C = the summed duration the state held: 104 minutes; D = the longest uninterrupted stretch: 57 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "C",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "power availability",
    "boundary_class": "overlapping-or-abutting",
    "subject": "grid-5-p2",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-power-overlapping-or-abutting-3",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:43-09:08, 09:01-09:37, 10:02-10:22, 10:22-10:50.\nTotal grid-12-p3 time in 2026-09-20 08:00-12:00: 102 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:43-09:08, 09:01-09:37, 10:02-10:22, 10:22-10:50.\ntime-total(grid-12-p3, 2026-09-20 08:00-12:00): 102 minutes.",
   "question": "The report's final line states one quantity about grid-12-p3 in the window. Which of these does that line state? A = the span from the first record to the last: 127 minutes; B = the longest uninterrupted stretch: 54 minutes; C = the exact quantity is not determined by this record; D = the summed duration the state held: 102 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "power availability",
    "boundary_class": "overlapping-or-abutting",
    "subject": "grid-12-p3",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-power-known-absence-or-full-window-0",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:00-12:00. coverage: the sensor reported for the whole window and the state held throughout.\nTotal grid-5 time in 2026-09-20 08:00-12:00: 240 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:00-12:00. coverage: the sensor reported for the whole window and the state held throughout.\ntime-total(grid-5, 2026-09-20 08:00-12:00): 240 minutes.",
   "question": "The report's final line states one quantity about grid-5 in the window. Which of these does that line state? A = the summed duration the state held: 240 minutes; B = the longest uninterrupted stretch: 240 minutes; C = the span from the first record to the last: 240 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "A",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "power availability",
    "boundary_class": "known-absence-or-full-window",
    "subject": "grid-5",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-power-known-absence-or-full-window-1",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:00-12:00. coverage: the sensor reported for the whole window and the state held throughout.\nTotal grid-12 time in 2026-09-20 08:00-12:00: 240 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:00-12:00. coverage: the sensor reported for the whole window and the state held throughout.\ntime-total(grid-12, 2026-09-20 08:00-12:00): 240 minutes.",
   "question": "The report's final line states one quantity about grid-12 in the window. Which of these does that line state? A = the span from the first record to the last: 240 minutes; B = the summed duration the state held: 240 minutes; C = the longest uninterrupted stretch: 240 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "B",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "power availability",
    "boundary_class": "known-absence-or-full-window",
    "subject": "grid-12",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-power-known-absence-or-full-window-2",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: none recorded. coverage: the sensor reported for the whole window and the state never held.\nTotal grid-5-p2 time in 2026-09-20 08:00-12:00: 0 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: none recorded. coverage: the sensor reported for the whole window and the state never held.\ntime-total(grid-5-p2, 2026-09-20 08:00-12:00): 0 minutes.",
   "question": "The report's final line states one quantity about grid-5-p2 in the window. Which of these does that line state? A = the longest uninterrupted stretch: 0 minutes; B = the span from the first record to the last: 0 minutes; C = the summed duration the state held: 0 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "C",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "power availability",
    "boundary_class": "known-absence-or-full-window",
    "subject": "grid-5-p2",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-power-known-absence-or-full-window-3",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: none recorded. coverage: the sensor reported for the whole window and the state never held.\nTotal grid-12-p3 time in 2026-09-20 08:00-12:00: 0 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: none recorded. coverage: the sensor reported for the whole window and the state never held.\ntime-total(grid-12-p3, 2026-09-20 08:00-12:00): 0 minutes.",
   "question": "The report's final line states one quantity about grid-12-p3 in the window. Which of these does that line state? A = the longest uninterrupted stretch: 0 minutes; B = the span from the first record to the last: 0 minutes; C = the exact quantity is not determined by this record; D = the summed duration the state held: 0 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "power availability",
    "boundary_class": "known-absence-or-full-window",
    "subject": "grid-12-p3",
    "determined": true
   }
  },
  {
   "id": "tt-r71-time-total-power-missing-coverage-0",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:13-08:38, 10:19-11:13. coverage unknown 08:38-10:19: no records exist for that period.\nTotal grid-5 time in 2026-09-20 08:00-12:00: not determined.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:13-08:38, 10:19-11:13. coverage unknown 08:38-10:19: no records exist for that period.\ntime-total(grid-5, 2026-09-20 08:00-12:00): not determined.",
   "question": "The report's final line states one quantity about grid-5 in the window. Which of these does that line state? A = the exact quantity is not determined by this record; B = the longest uninterrupted stretch: 54 minutes; C = the span from the first record to the last: 180 minutes; D = the summed duration the state held: 79 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "A",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "power availability",
    "boundary_class": "missing-coverage",
    "subject": "grid-5",
    "determined": false
   }
  },
  {
   "id": "tt-r71-time-total-power-missing-coverage-1",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:19-08:46, 10:07-11:14. coverage unknown 08:46-10:07: no records exist for that period.\nTotal grid-12 time in 2026-09-20 08:00-12:00: not determined.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:19-08:46, 10:07-11:14. coverage unknown 08:46-10:07: no records exist for that period.\ntime-total(grid-12, 2026-09-20 08:00-12:00): not determined.",
   "question": "The report's final line states one quantity about grid-12 in the window. Which of these does that line state? A = the span from the first record to the last: 175 minutes; B = the exact quantity is not determined by this record; C = the longest uninterrupted stretch: 67 minutes; D = the summed duration the state held: 94 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "B",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "power availability",
    "boundary_class": "missing-coverage",
    "subject": "grid-12",
    "determined": false
   }
  },
  {
   "id": "tt-r71-time-total-power-missing-coverage-2",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:25-08:55, 10:28-10:56. coverage unknown 08:55-10:28: no records exist for that period.\nTotal grid-5-p2 time in 2026-09-20 08:00-12:00: not determined.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:25-08:55, 10:28-10:56. coverage unknown 08:55-10:28: no records exist for that period.\ntime-total(grid-5-p2, 2026-09-20 08:00-12:00): not determined.",
   "question": "The report's final line states one quantity about grid-5-p2 in the window. Which of these does that line state? A = the span from the first record to the last: 151 minutes; B = the summed duration the state held: 58 minutes; C = the exact quantity is not determined by this record; D = the longest uninterrupted stretch: 30 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "C",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "power availability",
    "boundary_class": "missing-coverage",
    "subject": "grid-5-p2",
    "determined": false
   }
  },
  {
   "id": "tt-r71-time-total-power-missing-coverage-3",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:34-09:00, 10:10-11:16. coverage unknown 09:00-10:10: no records exist for that period.\nTotal grid-12-p3 time in 2026-09-20 08:00-12:00: not determined.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:34-09:00, 10:10-11:16. coverage unknown 09:00-10:10: no records exist for that period.\ntime-total(grid-12-p3, 2026-09-20 08:00-12:00): not determined.",
   "question": "The report's final line states one quantity about grid-12-p3 in the window. Which of these does that line state? A = the span from the first record to the last: 162 minutes; B = the summed duration the state held: 92 minutes; C = the longest uninterrupted stretch: 66 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "settlement_stratum": "time-total",
   "strata": {
    "statistic": "time-total",
    "domain": "power availability",
    "boundary_class": "missing-coverage",
    "subject": "grid-12-p3",
    "determined": false
   }
  },
  {
   "id": "tt-r71-longest-stretch-room-equal-total-different-fragmentation-0",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:12-08:57, 09:20-10:08.\nLongest uninterrupted bay-7 stretch in 2026-09-20 08:00-12:00: 48 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:12-08:57, 09:20-10:08.\nlongest-stretch(bay-7, 2026-09-20 08:00-12:00): 48 minutes.",
   "question": "The report's final line states one quantity about bay-7 in the window. Which of these does that line state? A = the longest uninterrupted stretch: 48 minutes; B = the exact quantity is not determined by this record; C = the summed duration the state held: 93 minutes; D = the span from the first record to the last: 116 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "A",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "room availability",
    "boundary_class": "equal-total-different-fragmentation",
    "subject": "bay-7",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-room-equal-total-different-fragmentation-1",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:17-08:38, 08:58-09:19, 09:32-09:53, 10:17-10:38.\nLongest uninterrupted suite-9 stretch in 2026-09-20 08:00-12:00: 21 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:17-08:38, 08:58-09:19, 09:32-09:53, 10:17-10:38.\nlongest-stretch(suite-9, 2026-09-20 08:00-12:00): 21 minutes.",
   "question": "The report's final line states one quantity about suite-9 in the window. Which of these does that line state? A = the span from the first record to the last: 141 minutes; B = the longest uninterrupted stretch: 21 minutes; C = the summed duration the state held: 84 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "B",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "room availability",
    "boundary_class": "equal-total-different-fragmentation",
    "subject": "suite-9",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-room-equal-total-different-fragmentation-2",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:54-09:42, 10:07-11:03.\nLongest uninterrupted bay-7-r2 stretch in 2026-09-20 08:00-12:00: 56 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:54-09:42, 10:07-11:03.\nlongest-stretch(bay-7-r2, 2026-09-20 08:00-12:00): 56 minutes.",
   "question": "The report's final line states one quantity about bay-7-r2 in the window. Which of these does that line state? A = the exact quantity is not determined by this record; B = the summed duration the state held: 104 minutes; C = the longest uninterrupted stretch: 56 minutes; D = the span from the first record to the last: 129 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "C",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "room availability",
    "boundary_class": "equal-total-different-fragmentation",
    "subject": "bay-7-r2",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-room-equal-total-different-fragmentation-3",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:11-08:34, 08:53-09:16, 09:41-10:03, 10:22-10:44.\nLongest uninterrupted suite-9-r3 stretch in 2026-09-20 08:00-12:00: 23 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:11-08:34, 08:53-09:16, 09:41-10:03, 10:22-10:44.\nlongest-stretch(suite-9-r3, 2026-09-20 08:00-12:00): 23 minutes.",
   "question": "The report's final line states one quantity about suite-9-r3 in the window. Which of these does that line state? A = the summed duration the state held: 90 minutes; B = the span from the first record to the last: 153 minutes; C = the exact quantity is not determined by this record; D = the longest uninterrupted stretch: 23 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "room availability",
    "boundary_class": "equal-total-different-fragmentation",
    "subject": "suite-9-r3",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-room-equal-longest-different-total-0",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:44-09:20, 09:47-10:06, 10:33-10:46.\nLongest uninterrupted bay-7 stretch in 2026-09-20 08:00-12:00: 36 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:44-09:20, 09:47-10:06, 10:33-10:46.\nlongest-stretch(bay-7, 2026-09-20 08:00-12:00): 36 minutes.",
   "question": "The report's final line states one quantity about bay-7 in the window. Which of these does that line state? A = the longest uninterrupted stretch: 36 minutes; B = the exact quantity is not determined by this record; C = the span from the first record to the last: 122 minutes; D = the summed duration the state held: 68 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "A",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "room availability",
    "boundary_class": "equal-longest-different-total",
    "subject": "bay-7",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-room-equal-longest-different-total-1",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:55-09:45.\nLongest uninterrupted suite-9 stretch in 2026-09-20 08:00-12:00: 50 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:55-09:45.\nlongest-stretch(suite-9, 2026-09-20 08:00-12:00): 50 minutes.",
   "question": "The report's final line states one quantity about suite-9 in the window. Which of these does that line state? A = the summed duration the state held: 50 minutes; B = the longest uninterrupted stretch: 50 minutes; C = the span from the first record to the last: 50 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "B",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "room availability",
    "boundary_class": "equal-longest-different-total",
    "subject": "suite-9",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-room-equal-longest-different-total-2",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:58-09:38.\nLongest uninterrupted bay-7-r2 stretch in 2026-09-20 08:00-12:00: 40 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:58-09:38.\nlongest-stretch(bay-7-r2, 2026-09-20 08:00-12:00): 40 minutes.",
   "question": "The report's final line states one quantity about bay-7-r2 in the window. Which of these does that line state? A = the exact quantity is not determined by this record; B = the span from the first record to the last: 40 minutes; C = the longest uninterrupted stretch: 40 minutes; D = the summed duration the state held: 40 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "C",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "room availability",
    "boundary_class": "equal-longest-different-total",
    "subject": "bay-7-r2",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-room-equal-longest-different-total-3",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 09:08-09:48.\nLongest uninterrupted suite-9-r3 stretch in 2026-09-20 08:00-12:00: 40 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 09:08-09:48.\nlongest-stretch(suite-9-r3, 2026-09-20 08:00-12:00): 40 minutes.",
   "question": "The report's final line states one quantity about suite-9-r3 in the window. Which of these does that line state? A = the exact quantity is not determined by this record; B = the span from the first record to the last: 40 minutes; C = the summed duration the state held: 40 minutes; D = the longest uninterrupted stretch: 40 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "room availability",
    "boundary_class": "equal-longest-different-total",
    "subject": "suite-9-r3",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-room-clipped-at-window-0",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 09:52-10:19, 11:12-12:48.\nLongest uninterrupted bay-7 stretch in 2026-09-20 08:00-12:00: 48 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 09:52-10:19, 11:12-12:48.\nlongest-stretch(bay-7, 2026-09-20 08:00-12:00): 48 minutes.",
   "question": "The report's final line states one quantity about bay-7 in the window. Which of these does that line state? A = the longest uninterrupted stretch: 48 minutes; B = the span from the first record to the last: 128 minutes; C = the exact quantity is not determined by this record; D = the summed duration the state held: 75 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "A",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "room availability",
    "boundary_class": "clipped-at-window",
    "subject": "bay-7",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-room-clipped-at-window-1",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 09:40-09:56.\nLongest uninterrupted suite-9 stretch in 2026-09-20 08:00-12:00: 16 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 09:40-09:56.\nlongest-stretch(suite-9, 2026-09-20 08:00-12:00): 16 minutes.",
   "question": "The report's final line states one quantity about suite-9 in the window. Which of these does that line state? A = the exact quantity is not determined by this record; B = the longest uninterrupted stretch: 16 minutes; C = the summed duration the state held: 16 minutes; D = the span from the first record to the last: 16 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "B",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "room availability",
    "boundary_class": "clipped-at-window",
    "subject": "suite-9",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-room-clipped-at-window-2",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 09:06-09:23, 11:16-12:33.\nLongest uninterrupted bay-7-r2 stretch in 2026-09-20 08:00-12:00: 44 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 09:06-09:23, 11:16-12:33.\nlongest-stretch(bay-7-r2, 2026-09-20 08:00-12:00): 44 minutes.",
   "question": "The report's final line states one quantity about bay-7-r2 in the window. Which of these does that line state? A = the span from the first record to the last: 174 minutes; B = the summed duration the state held: 61 minutes; C = the longest uninterrupted stretch: 44 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "C",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "room availability",
    "boundary_class": "clipped-at-window",
    "subject": "bay-7-r2",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-room-clipped-at-window-3",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 09:14-09:54, 11:32-12:18.\nLongest uninterrupted suite-9-r3 stretch in 2026-09-20 08:00-12:00: 40 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 09:14-09:54, 11:32-12:18.\nlongest-stretch(suite-9-r3, 2026-09-20 08:00-12:00): 40 minutes.",
   "question": "The report's final line states one quantity about suite-9-r3 in the window. Which of these does that line state? A = the exact quantity is not determined by this record; B = the summed duration the state held: 68 minutes; C = the span from the first record to the last: 166 minutes; D = the longest uninterrupted stretch: 40 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "room availability",
    "boundary_class": "clipped-at-window",
    "subject": "suite-9-r3",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-room-overlapping-or-abutting-0",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:30-09:11, 08:58-09:52, 10:08-10:28, 10:28-10:54.\nLongest uninterrupted bay-7 stretch in 2026-09-20 08:00-12:00: 82 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:30-09:11, 08:58-09:52, 10:08-10:28, 10:28-10:54.\nlongest-stretch(bay-7, 2026-09-20 08:00-12:00): 82 minutes.",
   "question": "The report's final line states one quantity about bay-7 in the window. Which of these does that line state? A = the longest uninterrupted stretch: 82 minutes; B = the span from the first record to the last: 144 minutes; C = the summed duration the state held: 128 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "A",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "room availability",
    "boundary_class": "overlapping-or-abutting",
    "subject": "bay-7",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-room-overlapping-or-abutting-1",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:28-09:01, 08:56-09:26, 09:55-10:15, 10:15-10:44.\nLongest uninterrupted suite-9 stretch in 2026-09-20 08:00-12:00: 58 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:28-09:01, 08:56-09:26, 09:55-10:15, 10:15-10:44.\nlongest-stretch(suite-9, 2026-09-20 08:00-12:00): 58 minutes.",
   "question": "The report's final line states one quantity about suite-9 in the window. Which of these does that line state? A = the span from the first record to the last: 136 minutes; B = the longest uninterrupted stretch: 58 minutes; C = the exact quantity is not determined by this record; D = the summed duration the state held: 107 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "B",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "room availability",
    "boundary_class": "overlapping-or-abutting",
    "subject": "suite-9",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-room-overlapping-or-abutting-2",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:44-09:15, 09:07-09:54, 10:19-10:39, 10:39-11:19.\nLongest uninterrupted bay-7-r2 stretch in 2026-09-20 08:00-12:00: 70 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:44-09:15, 09:07-09:54, 10:19-10:39, 10:39-11:19.\nlongest-stretch(bay-7-r2, 2026-09-20 08:00-12:00): 70 minutes.",
   "question": "The report's final line states one quantity about bay-7-r2 in the window. Which of these does that line state? A = the exact quantity is not determined by this record; B = the span from the first record to the last: 155 minutes; C = the longest uninterrupted stretch: 70 minutes; D = the summed duration the state held: 130 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "C",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "room availability",
    "boundary_class": "overlapping-or-abutting",
    "subject": "bay-7-r2",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-room-overlapping-or-abutting-3",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:56-09:22, 09:12-09:47, 10:15-10:35, 10:35-11:14.\nLongest uninterrupted suite-9-r3 stretch in 2026-09-20 08:00-12:00: 59 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:56-09:22, 09:12-09:47, 10:15-10:35, 10:35-11:14.\nlongest-stretch(suite-9-r3, 2026-09-20 08:00-12:00): 59 minutes.",
   "question": "The report's final line states one quantity about suite-9-r3 in the window. Which of these does that line state? A = the exact quantity is not determined by this record; B = the summed duration the state held: 110 minutes; C = the span from the first record to the last: 138 minutes; D = the longest uninterrupted stretch: 59 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "room availability",
    "boundary_class": "overlapping-or-abutting",
    "subject": "suite-9-r3",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-room-known-absence-or-full-window-0",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: none recorded. coverage: the sensor reported for the whole window and the state never held.\nLongest uninterrupted bay-7 stretch in 2026-09-20 08:00-12:00: 0 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: none recorded. coverage: the sensor reported for the whole window and the state never held.\nlongest-stretch(bay-7, 2026-09-20 08:00-12:00): 0 minutes.",
   "question": "The report's final line states one quantity about bay-7 in the window. Which of these does that line state? A = the longest uninterrupted stretch: 0 minutes; B = the exact quantity is not determined by this record; C = the span from the first record to the last: 0 minutes; D = the summed duration the state held: 0 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "A",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "room availability",
    "boundary_class": "known-absence-or-full-window",
    "subject": "bay-7",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-room-known-absence-or-full-window-1",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: none recorded. coverage: the sensor reported for the whole window and the state never held.\nLongest uninterrupted suite-9 stretch in 2026-09-20 08:00-12:00: 0 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: none recorded. coverage: the sensor reported for the whole window and the state never held.\nlongest-stretch(suite-9, 2026-09-20 08:00-12:00): 0 minutes.",
   "question": "The report's final line states one quantity about suite-9 in the window. Which of these does that line state? A = the exact quantity is not determined by this record; B = the longest uninterrupted stretch: 0 minutes; C = the summed duration the state held: 0 minutes; D = the span from the first record to the last: 0 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "B",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "room availability",
    "boundary_class": "known-absence-or-full-window",
    "subject": "suite-9",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-room-known-absence-or-full-window-2",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: none recorded. coverage: the sensor reported for the whole window and the state never held.\nLongest uninterrupted bay-7-r2 stretch in 2026-09-20 08:00-12:00: 0 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: none recorded. coverage: the sensor reported for the whole window and the state never held.\nlongest-stretch(bay-7-r2, 2026-09-20 08:00-12:00): 0 minutes.",
   "question": "The report's final line states one quantity about bay-7-r2 in the window. Which of these does that line state? A = the span from the first record to the last: 0 minutes; B = the exact quantity is not determined by this record; C = the longest uninterrupted stretch: 0 minutes; D = the summed duration the state held: 0 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "C",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "room availability",
    "boundary_class": "known-absence-or-full-window",
    "subject": "bay-7-r2",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-room-known-absence-or-full-window-3",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: none recorded. coverage: the sensor reported for the whole window and the state never held.\nLongest uninterrupted suite-9-r3 stretch in 2026-09-20 08:00-12:00: 0 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: none recorded. coverage: the sensor reported for the whole window and the state never held.\nlongest-stretch(suite-9-r3, 2026-09-20 08:00-12:00): 0 minutes.",
   "question": "The report's final line states one quantity about suite-9-r3 in the window. Which of these does that line state? A = the summed duration the state held: 0 minutes; B = the exact quantity is not determined by this record; C = the span from the first record to the last: 0 minutes; D = the longest uninterrupted stretch: 0 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "room availability",
    "boundary_class": "known-absence-or-full-window",
    "subject": "suite-9-r3",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-room-missing-coverage-0",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:21-08:52, 10:04-11:05. coverage unknown 08:52-10:04: no records exist for that period.\nLongest uninterrupted bay-7 stretch in 2026-09-20 08:00-12:00: not determined.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:21-08:52, 10:04-11:05. coverage unknown 08:52-10:04: no records exist for that period.\nlongest-stretch(bay-7, 2026-09-20 08:00-12:00): not determined.",
   "question": "The report's final line states one quantity about bay-7 in the window. Which of these does that line state? A = the exact quantity is not determined by this record; B = the span from the first record to the last: 164 minutes; C = the longest uninterrupted stretch: 61 minutes; D = the summed duration the state held: 92 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "A",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "room availability",
    "boundary_class": "missing-coverage",
    "subject": "bay-7",
    "determined": false
   }
  },
  {
   "id": "tt-r71-longest-stretch-room-missing-coverage-1",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:29-08:51, 10:20-11:07. coverage unknown 08:51-10:20: no records exist for that period.\nLongest uninterrupted suite-9 stretch in 2026-09-20 08:00-12:00: not determined.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:29-08:51, 10:20-11:07. coverage unknown 08:51-10:20: no records exist for that period.\nlongest-stretch(suite-9, 2026-09-20 08:00-12:00): not determined.",
   "question": "The report's final line states one quantity about suite-9 in the window. Which of these does that line state? A = the summed duration the state held: 69 minutes; B = the exact quantity is not determined by this record; C = the longest uninterrupted stretch: 47 minutes; D = the span from the first record to the last: 158 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "B",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "room availability",
    "boundary_class": "missing-coverage",
    "subject": "suite-9",
    "determined": false
   }
  },
  {
   "id": "tt-r71-longest-stretch-room-missing-coverage-2",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:37-09:04, 10:25-11:25. coverage unknown 09:04-10:25: no records exist for that period.\nLongest uninterrupted bay-7-r2 stretch in 2026-09-20 08:00-12:00: not determined.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:37-09:04, 10:25-11:25. coverage unknown 09:04-10:25: no records exist for that period.\nlongest-stretch(bay-7-r2, 2026-09-20 08:00-12:00): not determined.",
   "question": "The report's final line states one quantity about bay-7-r2 in the window. Which of these does that line state? A = the span from the first record to the last: 168 minutes; B = the summed duration the state held: 87 minutes; C = the exact quantity is not determined by this record; D = the longest uninterrupted stretch: 60 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "C",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "room availability",
    "boundary_class": "missing-coverage",
    "subject": "bay-7-r2",
    "determined": false
   }
  },
  {
   "id": "tt-r71-longest-stretch-room-missing-coverage-3",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:33-08:58, 10:43-11:20. coverage unknown 08:58-10:43: no records exist for that period.\nLongest uninterrupted suite-9-r3 stretch in 2026-09-20 08:00-12:00: not determined.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:33-08:58, 10:43-11:20. coverage unknown 08:58-10:43: no records exist for that period.\nlongest-stretch(suite-9-r3, 2026-09-20 08:00-12:00): not determined.",
   "question": "The report's final line states one quantity about suite-9-r3 in the window. Which of these does that line state? A = the summed duration the state held: 62 minutes; B = the span from the first record to the last: 167 minutes; C = the longest uninterrupted stretch: 37 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "room availability",
    "boundary_class": "missing-coverage",
    "subject": "suite-9-r3",
    "determined": false
   }
  },
  {
   "id": "tt-r71-longest-stretch-worker-equal-total-different-fragmentation-0",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:30-08:53, 09:15-09:38, 09:59-10:21, 10:45-11:07.\nLongest uninterrupted crew-8 stretch in 2026-09-20 08:00-12:00: 23 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:30-08:53, 09:15-09:38, 09:59-10:21, 10:45-11:07.\nlongest-stretch(crew-8, 2026-09-20 08:00-12:00): 23 minutes.",
   "question": "The report's final line states one quantity about crew-8 in the window. Which of these does that line state? A = the longest uninterrupted stretch: 23 minutes; B = the summed duration the state held: 90 minutes; C = the span from the first record to the last: 157 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "A",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "worker readiness",
    "boundary_class": "equal-total-different-fragmentation",
    "subject": "crew-8",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-worker-equal-total-different-fragmentation-1",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:13-09:01, 09:19-10:07.\nLongest uninterrupted team-6 stretch in 2026-09-20 08:00-12:00: 48 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:13-09:01, 09:19-10:07.\nlongest-stretch(team-6, 2026-09-20 08:00-12:00): 48 minutes.",
   "question": "The report's final line states one quantity about team-6 in the window. Which of these does that line state? A = the exact quantity is not determined by this record; B = the longest uninterrupted stretch: 48 minutes; C = the summed duration the state held: 96 minutes; D = the span from the first record to the last: 114 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "B",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "worker readiness",
    "boundary_class": "equal-total-different-fragmentation",
    "subject": "team-6",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-worker-equal-total-different-fragmentation-2",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:41-09:23, 09:44-10:24.\nLongest uninterrupted crew-8-w2 stretch in 2026-09-20 08:00-12:00: 42 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:41-09:23, 09:44-10:24.\nlongest-stretch(crew-8-w2, 2026-09-20 08:00-12:00): 42 minutes.",
   "question": "The report's final line states one quantity about crew-8-w2 in the window. Which of these does that line state? A = the span from the first record to the last: 103 minutes; B = the summed duration the state held: 82 minutes; C = the longest uninterrupted stretch: 42 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "C",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "worker readiness",
    "boundary_class": "equal-total-different-fragmentation",
    "subject": "crew-8-w2",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-worker-equal-total-different-fragmentation-3",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:48-09:36, 10:11-11:01.\nLongest uninterrupted team-6-w3 stretch in 2026-09-20 08:00-12:00: 50 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:48-09:36, 10:11-11:01.\nlongest-stretch(team-6-w3, 2026-09-20 08:00-12:00): 50 minutes.",
   "question": "The report's final line states one quantity about team-6-w3 in the window. Which of these does that line state? A = the span from the first record to the last: 133 minutes; B = the exact quantity is not determined by this record; C = the summed duration the state held: 98 minutes; D = the longest uninterrupted stretch: 50 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "worker readiness",
    "boundary_class": "equal-total-different-fragmentation",
    "subject": "team-6-w3",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-worker-equal-longest-different-total-0",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:41-09:21.\nLongest uninterrupted crew-8 stretch in 2026-09-20 08:00-12:00: 40 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:41-09:21.\nlongest-stretch(crew-8, 2026-09-20 08:00-12:00): 40 minutes.",
   "question": "The report's final line states one quantity about crew-8 in the window. Which of these does that line state? A = the longest uninterrupted stretch: 40 minutes; B = the summed duration the state held: 40 minutes; C = the span from the first record to the last: 40 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "A",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "worker readiness",
    "boundary_class": "equal-longest-different-total",
    "subject": "crew-8",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-worker-equal-longest-different-total-1",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:36-09:16, 09:52-10:11, 10:40-10:50.\nLongest uninterrupted team-6 stretch in 2026-09-20 08:00-12:00: 40 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:36-09:16, 09:52-10:11, 10:40-10:50.\nlongest-stretch(team-6, 2026-09-20 08:00-12:00): 40 minutes.",
   "question": "The report's final line states one quantity about team-6 in the window. Which of these does that line state? A = the summed duration the state held: 69 minutes; B = the longest uninterrupted stretch: 40 minutes; C = the span from the first record to the last: 134 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "B",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "worker readiness",
    "boundary_class": "equal-longest-different-total",
    "subject": "team-6",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-worker-equal-longest-different-total-2",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:41-09:26.\nLongest uninterrupted crew-8-w2 stretch in 2026-09-20 08:00-12:00: 45 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:41-09:26.\nlongest-stretch(crew-8-w2, 2026-09-20 08:00-12:00): 45 minutes.",
   "question": "The report's final line states one quantity about crew-8-w2 in the window. Which of these does that line state? A = the exact quantity is not determined by this record; B = the span from the first record to the last: 45 minutes; C = the longest uninterrupted stretch: 45 minutes; D = the summed duration the state held: 45 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "C",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "worker readiness",
    "boundary_class": "equal-longest-different-total",
    "subject": "crew-8-w2",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-worker-equal-longest-different-total-3",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:52-09:37, 10:07-10:27, 10:56-11:15.\nLongest uninterrupted team-6-w3 stretch in 2026-09-20 08:00-12:00: 45 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:52-09:37, 10:07-10:27, 10:56-11:15.\nlongest-stretch(team-6-w3, 2026-09-20 08:00-12:00): 45 minutes.",
   "question": "The report's final line states one quantity about team-6-w3 in the window. Which of these does that line state? A = the summed duration the state held: 84 minutes; B = the span from the first record to the last: 143 minutes; C = the exact quantity is not determined by this record; D = the longest uninterrupted stretch: 45 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "worker readiness",
    "boundary_class": "equal-longest-different-total",
    "subject": "team-6-w3",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-worker-clipped-at-window-0",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 09:13-09:44.\nLongest uninterrupted crew-8 stretch in 2026-09-20 08:00-12:00: 31 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 09:13-09:44.\nlongest-stretch(crew-8, 2026-09-20 08:00-12:00): 31 minutes.",
   "question": "The report's final line states one quantity about crew-8 in the window. Which of these does that line state? A = the longest uninterrupted stretch: 31 minutes; B = the summed duration the state held: 31 minutes; C = the span from the first record to the last: 31 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "A",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "worker readiness",
    "boundary_class": "clipped-at-window",
    "subject": "crew-8",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-worker-clipped-at-window-1",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 09:41-10:05, 11:44-12:10.\nLongest uninterrupted team-6 stretch in 2026-09-20 08:00-12:00: 24 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 09:41-10:05, 11:44-12:10.\nlongest-stretch(team-6, 2026-09-20 08:00-12:00): 24 minutes.",
   "question": "The report's final line states one quantity about team-6 in the window. Which of these does that line state? A = the summed duration the state held: 40 minutes; B = the longest uninterrupted stretch: 24 minutes; C = the span from the first record to the last: 139 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "B",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "worker readiness",
    "boundary_class": "clipped-at-window",
    "subject": "team-6",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-worker-clipped-at-window-2",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 10:11-10:26.\nLongest uninterrupted crew-8-w2 stretch in 2026-09-20 08:00-12:00: 15 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 10:11-10:26.\nlongest-stretch(crew-8-w2, 2026-09-20 08:00-12:00): 15 minutes.",
   "question": "The report's final line states one quantity about crew-8-w2 in the window. Which of these does that line state? A = the exact quantity is not determined by this record; B = the summed duration the state held: 15 minutes; C = the longest uninterrupted stretch: 15 minutes; D = the span from the first record to the last: 15 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "C",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "worker readiness",
    "boundary_class": "clipped-at-window",
    "subject": "crew-8-w2",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-worker-clipped-at-window-3",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 07:16-08:30, 09:39-10:04, 11:20-12:40.\nLongest uninterrupted team-6-w3 stretch in 2026-09-20 08:00-12:00: 40 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 07:16-08:30, 09:39-10:04, 11:20-12:40.\nlongest-stretch(team-6-w3, 2026-09-20 08:00-12:00): 40 minutes.",
   "question": "The report's final line states one quantity about team-6-w3 in the window. Which of these does that line state? A = the exact quantity is not determined by this record; B = the span from the first record to the last: 240 minutes; C = the summed duration the state held: 95 minutes; D = the longest uninterrupted stretch: 40 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "worker readiness",
    "boundary_class": "clipped-at-window",
    "subject": "team-6-w3",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-worker-overlapping-or-abutting-0",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:56-09:34, 09:22-10:11, 10:26-10:46, 10:46-11:22.\nLongest uninterrupted crew-8 stretch in 2026-09-20 08:00-12:00: 75 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:56-09:34, 09:22-10:11, 10:26-10:46, 10:46-11:22.\nlongest-stretch(crew-8, 2026-09-20 08:00-12:00): 75 minutes.",
   "question": "The report's final line states one quantity about crew-8 in the window. Which of these does that line state? A = the longest uninterrupted stretch: 75 minutes; B = the summed duration the state held: 131 minutes; C = the span from the first record to the last: 146 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "A",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "worker readiness",
    "boundary_class": "overlapping-or-abutting",
    "subject": "crew-8",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-worker-overlapping-or-abutting-1",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:23-08:59, 08:51-09:41, 09:58-10:18, 10:18-10:56.\nLongest uninterrupted team-6 stretch in 2026-09-20 08:00-12:00: 78 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:23-08:59, 08:51-09:41, 09:58-10:18, 10:18-10:56.\nlongest-stretch(team-6, 2026-09-20 08:00-12:00): 78 minutes.",
   "question": "The report's final line states one quantity about team-6 in the window. Which of these does that line state? A = the span from the first record to the last: 153 minutes; B = the longest uninterrupted stretch: 78 minutes; C = the summed duration the state held: 136 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "B",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "worker readiness",
    "boundary_class": "overlapping-or-abutting",
    "subject": "team-6",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-worker-overlapping-or-abutting-2",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:15-08:41, 08:32-09:06, 09:34-09:54, 09:54-10:31.\nLongest uninterrupted crew-8-w2 stretch in 2026-09-20 08:00-12:00: 57 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:15-08:41, 08:32-09:06, 09:34-09:54, 09:54-10:31.\nlongest-stretch(crew-8-w2, 2026-09-20 08:00-12:00): 57 minutes.",
   "question": "The report's final line states one quantity about crew-8-w2 in the window. Which of these does that line state? A = the span from the first record to the last: 136 minutes; B = the exact quantity is not determined by this record; C = the longest uninterrupted stretch: 57 minutes; D = the summed duration the state held: 108 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "C",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "worker readiness",
    "boundary_class": "overlapping-or-abutting",
    "subject": "crew-8-w2",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-worker-overlapping-or-abutting-3",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:43-09:11, 08:57-09:43, 09:59-10:19, 10:19-10:49.\nLongest uninterrupted team-6-w3 stretch in 2026-09-20 08:00-12:00: 60 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:43-09:11, 08:57-09:43, 09:59-10:19, 10:19-10:49.\nlongest-stretch(team-6-w3, 2026-09-20 08:00-12:00): 60 minutes.",
   "question": "The report's final line states one quantity about team-6-w3 in the window. Which of these does that line state? A = the span from the first record to the last: 126 minutes; B = the summed duration the state held: 110 minutes; C = the exact quantity is not determined by this record; D = the longest uninterrupted stretch: 60 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "worker readiness",
    "boundary_class": "overlapping-or-abutting",
    "subject": "team-6-w3",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-worker-known-absence-or-full-window-0",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: none recorded. coverage: the sensor reported for the whole window and the state never held.\nLongest uninterrupted crew-8 stretch in 2026-09-20 08:00-12:00: 0 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: none recorded. coverage: the sensor reported for the whole window and the state never held.\nlongest-stretch(crew-8, 2026-09-20 08:00-12:00): 0 minutes.",
   "question": "The report's final line states one quantity about crew-8 in the window. Which of these does that line state? A = the longest uninterrupted stretch: 0 minutes; B = the span from the first record to the last: 0 minutes; C = the summed duration the state held: 0 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "A",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "worker readiness",
    "boundary_class": "known-absence-or-full-window",
    "subject": "crew-8",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-worker-known-absence-or-full-window-1",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:00-12:00. coverage: the sensor reported for the whole window and the state held throughout.\nLongest uninterrupted team-6 stretch in 2026-09-20 08:00-12:00: 240 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:00-12:00. coverage: the sensor reported for the whole window and the state held throughout.\nlongest-stretch(team-6, 2026-09-20 08:00-12:00): 240 minutes.",
   "question": "The report's final line states one quantity about team-6 in the window. Which of these does that line state? A = the exact quantity is not determined by this record; B = the longest uninterrupted stretch: 240 minutes; C = the span from the first record to the last: 240 minutes; D = the summed duration the state held: 240 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "B",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "worker readiness",
    "boundary_class": "known-absence-or-full-window",
    "subject": "team-6",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-worker-known-absence-or-full-window-2",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: none recorded. coverage: the sensor reported for the whole window and the state never held.\nLongest uninterrupted crew-8-w2 stretch in 2026-09-20 08:00-12:00: 0 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: none recorded. coverage: the sensor reported for the whole window and the state never held.\nlongest-stretch(crew-8-w2, 2026-09-20 08:00-12:00): 0 minutes.",
   "question": "The report's final line states one quantity about crew-8-w2 in the window. Which of these does that line state? A = the exact quantity is not determined by this record; B = the span from the first record to the last: 0 minutes; C = the longest uninterrupted stretch: 0 minutes; D = the summed duration the state held: 0 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "C",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "worker readiness",
    "boundary_class": "known-absence-or-full-window",
    "subject": "crew-8-w2",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-worker-known-absence-or-full-window-3",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: none recorded. coverage: the sensor reported for the whole window and the state never held.\nLongest uninterrupted team-6-w3 stretch in 2026-09-20 08:00-12:00: 0 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: none recorded. coverage: the sensor reported for the whole window and the state never held.\nlongest-stretch(team-6-w3, 2026-09-20 08:00-12:00): 0 minutes.",
   "question": "The report's final line states one quantity about team-6-w3 in the window. Which of these does that line state? A = the summed duration the state held: 0 minutes; B = the span from the first record to the last: 0 minutes; C = the exact quantity is not determined by this record; D = the longest uninterrupted stretch: 0 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "worker readiness",
    "boundary_class": "known-absence-or-full-window",
    "subject": "team-6-w3",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-worker-missing-coverage-0",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:29-09:01, 10:37-11:25. coverage unknown 09:01-10:37: no records exist for that period.\nLongest uninterrupted crew-8 stretch in 2026-09-20 08:00-12:00: not determined.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:29-09:01, 10:37-11:25. coverage unknown 09:01-10:37: no records exist for that period.\nlongest-stretch(crew-8, 2026-09-20 08:00-12:00): not determined.",
   "question": "The report's final line states one quantity about crew-8 in the window. Which of these does that line state? A = the exact quantity is not determined by this record; B = the summed duration the state held: 80 minutes; C = the longest uninterrupted stretch: 48 minutes; D = the span from the first record to the last: 176 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "A",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "worker readiness",
    "boundary_class": "missing-coverage",
    "subject": "crew-8",
    "determined": false
   }
  },
  {
   "id": "tt-r71-longest-stretch-worker-missing-coverage-1",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:38-09:13, 10:16-11:18. coverage unknown 09:13-10:16: no records exist for that period.\nLongest uninterrupted team-6 stretch in 2026-09-20 08:00-12:00: not determined.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:38-09:13, 10:16-11:18. coverage unknown 09:13-10:16: no records exist for that period.\nlongest-stretch(team-6, 2026-09-20 08:00-12:00): not determined.",
   "question": "The report's final line states one quantity about team-6 in the window. Which of these does that line state? A = the summed duration the state held: 97 minutes; B = the exact quantity is not determined by this record; C = the longest uninterrupted stretch: 62 minutes; D = the span from the first record to the last: 160 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "B",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "worker readiness",
    "boundary_class": "missing-coverage",
    "subject": "team-6",
    "determined": false
   }
  },
  {
   "id": "tt-r71-longest-stretch-worker-missing-coverage-2",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:10-08:42, 09:57-10:51. coverage unknown 08:42-09:57: no records exist for that period.\nLongest uninterrupted crew-8-w2 stretch in 2026-09-20 08:00-12:00: not determined.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:10-08:42, 09:57-10:51. coverage unknown 08:42-09:57: no records exist for that period.\nlongest-stretch(crew-8-w2, 2026-09-20 08:00-12:00): not determined.",
   "question": "The report's final line states one quantity about crew-8-w2 in the window. Which of these does that line state? A = the span from the first record to the last: 161 minutes; B = the longest uninterrupted stretch: 54 minutes; C = the exact quantity is not determined by this record; D = the summed duration the state held: 86 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "C",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "worker readiness",
    "boundary_class": "missing-coverage",
    "subject": "crew-8-w2",
    "determined": false
   }
  },
  {
   "id": "tt-r71-longest-stretch-worker-missing-coverage-3",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:34-09:05, 10:39-11:15. coverage unknown 09:05-10:39: no records exist for that period.\nLongest uninterrupted team-6-w3 stretch in 2026-09-20 08:00-12:00: not determined.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:34-09:05, 10:39-11:15. coverage unknown 09:05-10:39: no records exist for that period.\nlongest-stretch(team-6-w3, 2026-09-20 08:00-12:00): not determined.",
   "question": "The report's final line states one quantity about team-6-w3 in the window. Which of these does that line state? A = the longest uninterrupted stretch: 36 minutes; B = the span from the first record to the last: 161 minutes; C = the summed duration the state held: 67 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "worker readiness",
    "boundary_class": "missing-coverage",
    "subject": "team-6-w3",
    "determined": false
   }
  },
  {
   "id": "tt-r71-longest-stretch-link-equal-total-different-fragmentation-0",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:56-09:41, 10:19-10:51.\nLongest uninterrupted link-14 stretch in 2026-09-20 08:00-12:00: 45 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:56-09:41, 10:19-10:51.\nlongest-stretch(link-14, 2026-09-20 08:00-12:00): 45 minutes.",
   "question": "The report's final line states one quantity about link-14 in the window. Which of these does that line state? A = the longest uninterrupted stretch: 45 minutes; B = the span from the first record to the last: 115 minutes; C = the exact quantity is not determined by this record; D = the summed duration the state held: 77 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "A",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "link outages",
    "boundary_class": "equal-total-different-fragmentation",
    "subject": "link-14",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-link-equal-total-different-fragmentation-1",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:55-09:40, 10:00-10:42.\nLongest uninterrupted link-23 stretch in 2026-09-20 08:00-12:00: 45 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:55-09:40, 10:00-10:42.\nlongest-stretch(link-23, 2026-09-20 08:00-12:00): 45 minutes.",
   "question": "The report's final line states one quantity about link-23 in the window. Which of these does that line state? A = the summed duration the state held: 87 minutes; B = the longest uninterrupted stretch: 45 minutes; C = the exact quantity is not determined by this record; D = the span from the first record to the last: 107 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "B",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "link outages",
    "boundary_class": "equal-total-different-fragmentation",
    "subject": "link-23",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-link-equal-total-different-fragmentation-2",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:30-09:12, 09:47-10:18.\nLongest uninterrupted link-14-l2 stretch in 2026-09-20 08:00-12:00: 42 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:30-09:12, 09:47-10:18.\nlongest-stretch(link-14-l2, 2026-09-20 08:00-12:00): 42 minutes.",
   "question": "The report's final line states one quantity about link-14-l2 in the window. Which of these does that line state? A = the span from the first record to the last: 108 minutes; B = the summed duration the state held: 73 minutes; C = the longest uninterrupted stretch: 42 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "C",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "link outages",
    "boundary_class": "equal-total-different-fragmentation",
    "subject": "link-14-l2",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-link-equal-total-different-fragmentation-3",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:10-08:52, 09:22-09:59.\nLongest uninterrupted link-23-l3 stretch in 2026-09-20 08:00-12:00: 42 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:10-08:52, 09:22-09:59.\nlongest-stretch(link-23-l3, 2026-09-20 08:00-12:00): 42 minutes.",
   "question": "The report's final line states one quantity about link-23-l3 in the window. Which of these does that line state? A = the exact quantity is not determined by this record; B = the span from the first record to the last: 109 minutes; C = the summed duration the state held: 79 minutes; D = the longest uninterrupted stretch: 42 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "link outages",
    "boundary_class": "equal-total-different-fragmentation",
    "subject": "link-23-l3",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-link-equal-longest-different-total-0",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:36-09:26, 10:06-10:18.\nLongest uninterrupted link-14 stretch in 2026-09-20 08:00-12:00: 50 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:36-09:26, 10:06-10:18.\nlongest-stretch(link-14, 2026-09-20 08:00-12:00): 50 minutes.",
   "question": "The report's final line states one quantity about link-14 in the window. Which of these does that line state? A = the longest uninterrupted stretch: 50 minutes; B = the span from the first record to the last: 102 minutes; C = the summed duration the state held: 62 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "A",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "link outages",
    "boundary_class": "equal-longest-different-total",
    "subject": "link-14",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-link-equal-longest-different-total-1",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:28-09:13.\nLongest uninterrupted link-23 stretch in 2026-09-20 08:00-12:00: 45 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:28-09:13.\nlongest-stretch(link-23, 2026-09-20 08:00-12:00): 45 minutes.",
   "question": "The report's final line states one quantity about link-23 in the window. Which of these does that line state? A = the summed duration the state held: 45 minutes; B = the longest uninterrupted stretch: 45 minutes; C = the span from the first record to the last: 45 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "B",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "link outages",
    "boundary_class": "equal-longest-different-total",
    "subject": "link-23",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-link-equal-longest-different-total-2",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:23-09:08, 09:38-09:48, 10:06-10:25.\nLongest uninterrupted link-14-l2 stretch in 2026-09-20 08:00-12:00: 45 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:23-09:08, 09:38-09:48, 10:06-10:25.\nlongest-stretch(link-14-l2, 2026-09-20 08:00-12:00): 45 minutes.",
   "question": "The report's final line states one quantity about link-14-l2 in the window. Which of these does that line state? A = the span from the first record to the last: 122 minutes; B = the exact quantity is not determined by this record; C = the longest uninterrupted stretch: 45 minutes; D = the summed duration the state held: 74 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "C",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "link outages",
    "boundary_class": "equal-longest-different-total",
    "subject": "link-14-l2",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-link-equal-longest-different-total-3",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:42-09:22.\nLongest uninterrupted link-23-l3 stretch in 2026-09-20 08:00-12:00: 40 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:42-09:22.\nlongest-stretch(link-23-l3, 2026-09-20 08:00-12:00): 40 minutes.",
   "question": "The report's final line states one quantity about link-23-l3 in the window. Which of these does that line state? A = the exact quantity is not determined by this record; B = the summed duration the state held: 40 minutes; C = the span from the first record to the last: 40 minutes; D = the longest uninterrupted stretch: 40 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "link outages",
    "boundary_class": "equal-longest-different-total",
    "subject": "link-23-l3",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-link-clipped-at-window-0",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 07:46-08:43, 09:43-10:16.\nLongest uninterrupted link-14 stretch in 2026-09-20 08:00-12:00: 43 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 07:46-08:43, 09:43-10:16.\nlongest-stretch(link-14, 2026-09-20 08:00-12:00): 43 minutes.",
   "question": "The report's final line states one quantity about link-14 in the window. Which of these does that line state? A = the longest uninterrupted stretch: 43 minutes; B = the summed duration the state held: 76 minutes; C = the exact quantity is not determined by this record; D = the span from the first record to the last: 136 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "A",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "link outages",
    "boundary_class": "clipped-at-window",
    "subject": "link-14",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-link-clipped-at-window-1",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 10:30-11:07.\nLongest uninterrupted link-23 stretch in 2026-09-20 08:00-12:00: 37 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 10:30-11:07.\nlongest-stretch(link-23, 2026-09-20 08:00-12:00): 37 minutes.",
   "question": "The report's final line states one quantity about link-23 in the window. Which of these does that line state? A = the exact quantity is not determined by this record; B = the longest uninterrupted stretch: 37 minutes; C = the summed duration the state held: 37 minutes; D = the span from the first record to the last: 37 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "B",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "link outages",
    "boundary_class": "clipped-at-window",
    "subject": "link-23",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-link-clipped-at-window-2",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 07:30-08:54, 10:09-10:47.\nLongest uninterrupted link-14-l2 stretch in 2026-09-20 08:00-12:00: 54 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 07:30-08:54, 10:09-10:47.\nlongest-stretch(link-14-l2, 2026-09-20 08:00-12:00): 54 minutes.",
   "question": "The report's final line states one quantity about link-14-l2 in the window. Which of these does that line state? A = the exact quantity is not determined by this record; B = the span from the first record to the last: 167 minutes; C = the longest uninterrupted stretch: 54 minutes; D = the summed duration the state held: 92 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "C",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "link outages",
    "boundary_class": "clipped-at-window",
    "subject": "link-14-l2",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-link-clipped-at-window-3",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 09:54-10:10, 11:15-12:22.\nLongest uninterrupted link-23-l3 stretch in 2026-09-20 08:00-12:00: 45 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 09:54-10:10, 11:15-12:22.\nlongest-stretch(link-23-l3, 2026-09-20 08:00-12:00): 45 minutes.",
   "question": "The report's final line states one quantity about link-23-l3 in the window. Which of these does that line state? A = the exact quantity is not determined by this record; B = the span from the first record to the last: 126 minutes; C = the summed duration the state held: 61 minutes; D = the longest uninterrupted stretch: 45 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "link outages",
    "boundary_class": "clipped-at-window",
    "subject": "link-23-l3",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-link-overlapping-or-abutting-0",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:58-09:27, 09:12-09:52, 10:08-10:28, 10:28-10:55.\nLongest uninterrupted link-14 stretch in 2026-09-20 08:00-12:00: 54 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:58-09:27, 09:12-09:52, 10:08-10:28, 10:28-10:55.\nlongest-stretch(link-14, 2026-09-20 08:00-12:00): 54 minutes.",
   "question": "The report's final line states one quantity about link-14 in the window. Which of these does that line state? A = the longest uninterrupted stretch: 54 minutes; B = the exact quantity is not determined by this record; C = the summed duration the state held: 101 minutes; D = the span from the first record to the last: 117 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "A",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "link outages",
    "boundary_class": "overlapping-or-abutting",
    "subject": "link-14",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-link-overlapping-or-abutting-1",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:45-09:18, 09:06-09:44, 10:10-10:30, 10:30-11:02.\nLongest uninterrupted link-23 stretch in 2026-09-20 08:00-12:00: 59 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:45-09:18, 09:06-09:44, 10:10-10:30, 10:30-11:02.\nlongest-stretch(link-23, 2026-09-20 08:00-12:00): 59 minutes.",
   "question": "The report's final line states one quantity about link-23 in the window. Which of these does that line state? A = the exact quantity is not determined by this record; B = the longest uninterrupted stretch: 59 minutes; C = the span from the first record to the last: 137 minutes; D = the summed duration the state held: 111 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "B",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "link outages",
    "boundary_class": "overlapping-or-abutting",
    "subject": "link-23",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-link-overlapping-or-abutting-2",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:38-09:14, 09:00-09:51, 10:21-10:41, 10:41-11:17.\nLongest uninterrupted link-14-l2 stretch in 2026-09-20 08:00-12:00: 73 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:38-09:14, 09:00-09:51, 10:21-10:41, 10:41-11:17.\nlongest-stretch(link-14-l2, 2026-09-20 08:00-12:00): 73 minutes.",
   "question": "The report's final line states one quantity about link-14-l2 in the window. Which of these does that line state? A = the span from the first record to the last: 159 minutes; B = the summed duration the state held: 129 minutes; C = the longest uninterrupted stretch: 73 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "C",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "link outages",
    "boundary_class": "overlapping-or-abutting",
    "subject": "link-14-l2",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-link-overlapping-or-abutting-3",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:42-09:20, 09:12-09:54, 10:17-10:37, 10:37-11:05.\nLongest uninterrupted link-23-l3 stretch in 2026-09-20 08:00-12:00: 72 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:42-09:20, 09:12-09:54, 10:17-10:37, 10:37-11:05.\nlongest-stretch(link-23-l3, 2026-09-20 08:00-12:00): 72 minutes.",
   "question": "The report's final line states one quantity about link-23-l3 in the window. Which of these does that line state? A = the exact quantity is not determined by this record; B = the summed duration the state held: 120 minutes; C = the span from the first record to the last: 143 minutes; D = the longest uninterrupted stretch: 72 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "link outages",
    "boundary_class": "overlapping-or-abutting",
    "subject": "link-23-l3",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-link-known-absence-or-full-window-0",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: none recorded. coverage: the sensor reported for the whole window and the state never held.\nLongest uninterrupted link-14 stretch in 2026-09-20 08:00-12:00: 0 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: none recorded. coverage: the sensor reported for the whole window and the state never held.\nlongest-stretch(link-14, 2026-09-20 08:00-12:00): 0 minutes.",
   "question": "The report's final line states one quantity about link-14 in the window. Which of these does that line state? A = the longest uninterrupted stretch: 0 minutes; B = the summed duration the state held: 0 minutes; C = the span from the first record to the last: 0 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "A",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "link outages",
    "boundary_class": "known-absence-or-full-window",
    "subject": "link-14",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-link-known-absence-or-full-window-1",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: none recorded. coverage: the sensor reported for the whole window and the state never held.\nLongest uninterrupted link-23 stretch in 2026-09-20 08:00-12:00: 0 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: none recorded. coverage: the sensor reported for the whole window and the state never held.\nlongest-stretch(link-23, 2026-09-20 08:00-12:00): 0 minutes.",
   "question": "The report's final line states one quantity about link-23 in the window. Which of these does that line state? A = the span from the first record to the last: 0 minutes; B = the longest uninterrupted stretch: 0 minutes; C = the exact quantity is not determined by this record; D = the summed duration the state held: 0 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "B",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "link outages",
    "boundary_class": "known-absence-or-full-window",
    "subject": "link-23",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-link-known-absence-or-full-window-2",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:00-12:00. coverage: the sensor reported for the whole window and the state held throughout.\nLongest uninterrupted link-14-l2 stretch in 2026-09-20 08:00-12:00: 240 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:00-12:00. coverage: the sensor reported for the whole window and the state held throughout.\nlongest-stretch(link-14-l2, 2026-09-20 08:00-12:00): 240 minutes.",
   "question": "The report's final line states one quantity about link-14-l2 in the window. Which of these does that line state? A = the summed duration the state held: 240 minutes; B = the span from the first record to the last: 240 minutes; C = the longest uninterrupted stretch: 240 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "C",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "link outages",
    "boundary_class": "known-absence-or-full-window",
    "subject": "link-14-l2",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-link-known-absence-or-full-window-3",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:00-12:00. coverage: the sensor reported for the whole window and the state held throughout.\nLongest uninterrupted link-23-l3 stretch in 2026-09-20 08:00-12:00: 240 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:00-12:00. coverage: the sensor reported for the whole window and the state held throughout.\nlongest-stretch(link-23-l3, 2026-09-20 08:00-12:00): 240 minutes.",
   "question": "The report's final line states one quantity about link-23-l3 in the window. Which of these does that line state? A = the summed duration the state held: 240 minutes; B = the span from the first record to the last: 240 minutes; C = the exact quantity is not determined by this record; D = the longest uninterrupted stretch: 240 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "link outages",
    "boundary_class": "known-absence-or-full-window",
    "subject": "link-23-l3",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-link-missing-coverage-0",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:39-09:00, 10:14-11:17. coverage unknown 09:00-10:14: no records exist for that period.\nLongest uninterrupted link-14 stretch in 2026-09-20 08:00-12:00: not determined.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:39-09:00, 10:14-11:17. coverage unknown 09:00-10:14: no records exist for that period.\nlongest-stretch(link-14, 2026-09-20 08:00-12:00): not determined.",
   "question": "The report's final line states one quantity about link-14 in the window. Which of these does that line state? A = the exact quantity is not determined by this record; B = the longest uninterrupted stretch: 63 minutes; C = the summed duration the state held: 84 minutes; D = the span from the first record to the last: 158 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "A",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "link outages",
    "boundary_class": "missing-coverage",
    "subject": "link-14",
    "determined": false
   }
  },
  {
   "id": "tt-r71-longest-stretch-link-missing-coverage-1",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:27-08:57, 10:17-11:12. coverage unknown 08:57-10:17: no records exist for that period.\nLongest uninterrupted link-23 stretch in 2026-09-20 08:00-12:00: not determined.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:27-08:57, 10:17-11:12. coverage unknown 08:57-10:17: no records exist for that period.\nlongest-stretch(link-23, 2026-09-20 08:00-12:00): not determined.",
   "question": "The report's final line states one quantity about link-23 in the window. Which of these does that line state? A = the summed duration the state held: 85 minutes; B = the exact quantity is not determined by this record; C = the span from the first record to the last: 165 minutes; D = the longest uninterrupted stretch: 55 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "B",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "link outages",
    "boundary_class": "missing-coverage",
    "subject": "link-23",
    "determined": false
   }
  },
  {
   "id": "tt-r71-longest-stretch-link-missing-coverage-2",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:14-08:46, 09:49-11:12. coverage unknown 08:46-09:49: no records exist for that period.\nLongest uninterrupted link-14-l2 stretch in 2026-09-20 08:00-12:00: not determined.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:14-08:46, 09:49-11:12. coverage unknown 08:46-09:49: no records exist for that period.\nlongest-stretch(link-14-l2, 2026-09-20 08:00-12:00): not determined.",
   "question": "The report's final line states one quantity about link-14-l2 in the window. Which of these does that line state? A = the summed duration the state held: 115 minutes; B = the span from the first record to the last: 178 minutes; C = the exact quantity is not determined by this record; D = the longest uninterrupted stretch: 83 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "C",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "link outages",
    "boundary_class": "missing-coverage",
    "subject": "link-14-l2",
    "determined": false
   }
  },
  {
   "id": "tt-r71-longest-stretch-link-missing-coverage-3",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:14-08:39, 10:10-10:51. coverage unknown 08:39-10:10: no records exist for that period.\nLongest uninterrupted link-23-l3 stretch in 2026-09-20 08:00-12:00: not determined.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:14-08:39, 10:10-10:51. coverage unknown 08:39-10:10: no records exist for that period.\nlongest-stretch(link-23-l3, 2026-09-20 08:00-12:00): not determined.",
   "question": "The report's final line states one quantity about link-23-l3 in the window. Which of these does that line state? A = the summed duration the state held: 66 minutes; B = the longest uninterrupted stretch: 41 minutes; C = the span from the first record to the last: 157 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "link outages",
    "boundary_class": "missing-coverage",
    "subject": "link-23-l3",
    "determined": false
   }
  },
  {
   "id": "tt-r71-longest-stretch-power-equal-total-different-fragmentation-0",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:15-08:38, 08:52-09:15, 09:42-10:04, 10:17-10:39.\nLongest uninterrupted grid-5 stretch in 2026-09-20 08:00-12:00: 23 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:15-08:38, 08:52-09:15, 09:42-10:04, 10:17-10:39.\nlongest-stretch(grid-5, 2026-09-20 08:00-12:00): 23 minutes.",
   "question": "The report's final line states one quantity about grid-5 in the window. Which of these does that line state? A = the longest uninterrupted stretch: 23 minutes; B = the summed duration the state held: 90 minutes; C = the span from the first record to the last: 144 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "A",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "power availability",
    "boundary_class": "equal-total-different-fragmentation",
    "subject": "grid-5",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-power-equal-total-different-fragmentation-1",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:33-09:15, 09:52-10:29.\nLongest uninterrupted grid-12 stretch in 2026-09-20 08:00-12:00: 42 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:33-09:15, 09:52-10:29.\nlongest-stretch(grid-12, 2026-09-20 08:00-12:00): 42 minutes.",
   "question": "The report's final line states one quantity about grid-12 in the window. Which of these does that line state? A = the span from the first record to the last: 116 minutes; B = the longest uninterrupted stretch: 42 minutes; C = the summed duration the state held: 79 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "B",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "power availability",
    "boundary_class": "equal-total-different-fragmentation",
    "subject": "grid-12",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-power-equal-total-different-fragmentation-2",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:54-09:44, 10:01-11:06.\nLongest uninterrupted grid-5-p2 stretch in 2026-09-20 08:00-12:00: 65 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:54-09:44, 10:01-11:06.\nlongest-stretch(grid-5-p2, 2026-09-20 08:00-12:00): 65 minutes.",
   "question": "The report's final line states one quantity about grid-5-p2 in the window. Which of these does that line state? A = the exact quantity is not determined by this record; B = the span from the first record to the last: 132 minutes; C = the longest uninterrupted stretch: 65 minutes; D = the summed duration the state held: 115 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "C",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "power availability",
    "boundary_class": "equal-total-different-fragmentation",
    "subject": "grid-5-p2",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-power-equal-total-different-fragmentation-3",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:07-08:28, 08:43-09:04, 09:22-09:43, 10:08-10:29.\nLongest uninterrupted grid-12-p3 stretch in 2026-09-20 08:00-12:00: 21 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:07-08:28, 08:43-09:04, 09:22-09:43, 10:08-10:29.\nlongest-stretch(grid-12-p3, 2026-09-20 08:00-12:00): 21 minutes.",
   "question": "The report's final line states one quantity about grid-12-p3 in the window. Which of these does that line state? A = the span from the first record to the last: 142 minutes; B = the exact quantity is not determined by this record; C = the summed duration the state held: 84 minutes; D = the longest uninterrupted stretch: 21 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "power availability",
    "boundary_class": "equal-total-different-fragmentation",
    "subject": "grid-12-p3",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-power-equal-longest-different-total-0",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:55-09:31, 10:02-10:19, 10:35-10:53.\nLongest uninterrupted grid-5 stretch in 2026-09-20 08:00-12:00: 36 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:55-09:31, 10:02-10:19, 10:35-10:53.\nlongest-stretch(grid-5, 2026-09-20 08:00-12:00): 36 minutes.",
   "question": "The report's final line states one quantity about grid-5 in the window. Which of these does that line state? A = the longest uninterrupted stretch: 36 minutes; B = the exact quantity is not determined by this record; C = the span from the first record to the last: 118 minutes; D = the summed duration the state held: 71 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "A",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "power availability",
    "boundary_class": "equal-longest-different-total",
    "subject": "grid-5",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-power-equal-longest-different-total-1",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:47-09:27.\nLongest uninterrupted grid-12 stretch in 2026-09-20 08:00-12:00: 40 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:47-09:27.\nlongest-stretch(grid-12, 2026-09-20 08:00-12:00): 40 minutes.",
   "question": "The report's final line states one quantity about grid-12 in the window. Which of these does that line state? A = the span from the first record to the last: 40 minutes; B = the longest uninterrupted stretch: 40 minutes; C = the summed duration the state held: 40 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "B",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "power availability",
    "boundary_class": "equal-longest-different-total",
    "subject": "grid-12",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-power-equal-longest-different-total-2",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:57-09:37, 09:59-10:11, 10:33-10:52.\nLongest uninterrupted grid-5-p2 stretch in 2026-09-20 08:00-12:00: 40 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:57-09:37, 09:59-10:11, 10:33-10:52.\nlongest-stretch(grid-5-p2, 2026-09-20 08:00-12:00): 40 minutes.",
   "question": "The report's final line states one quantity about grid-5-p2 in the window. Which of these does that line state? A = the exact quantity is not determined by this record; B = the summed duration the state held: 71 minutes; C = the longest uninterrupted stretch: 40 minutes; D = the span from the first record to the last: 115 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "C",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "power availability",
    "boundary_class": "equal-longest-different-total",
    "subject": "grid-5-p2",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-power-equal-longest-different-total-3",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:30-09:20.\nLongest uninterrupted grid-12-p3 stretch in 2026-09-20 08:00-12:00: 50 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:30-09:20.\nlongest-stretch(grid-12-p3, 2026-09-20 08:00-12:00): 50 minutes.",
   "question": "The report's final line states one quantity about grid-12-p3 in the window. Which of these does that line state? A = the span from the first record to the last: 50 minutes; B = the exact quantity is not determined by this record; C = the summed duration the state held: 50 minutes; D = the longest uninterrupted stretch: 50 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "power availability",
    "boundary_class": "equal-longest-different-total",
    "subject": "grid-12-p3",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-power-clipped-at-window-0",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 07:35-08:48, 10:29-10:53.\nLongest uninterrupted grid-5 stretch in 2026-09-20 08:00-12:00: 48 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 07:35-08:48, 10:29-10:53.\nlongest-stretch(grid-5, 2026-09-20 08:00-12:00): 48 minutes.",
   "question": "The report's final line states one quantity about grid-5 in the window. Which of these does that line state? A = the longest uninterrupted stretch: 48 minutes; B = the summed duration the state held: 72 minutes; C = the span from the first record to the last: 173 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "A",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "power availability",
    "boundary_class": "clipped-at-window",
    "subject": "grid-5",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-power-clipped-at-window-1",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 09:11-09:28.\nLongest uninterrupted grid-12 stretch in 2026-09-20 08:00-12:00: 17 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 09:11-09:28.\nlongest-stretch(grid-12, 2026-09-20 08:00-12:00): 17 minutes.",
   "question": "The report's final line states one quantity about grid-12 in the window. Which of these does that line state? A = the summed duration the state held: 17 minutes; B = the longest uninterrupted stretch: 17 minutes; C = the exact quantity is not determined by this record; D = the span from the first record to the last: 17 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "B",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "power availability",
    "boundary_class": "clipped-at-window",
    "subject": "grid-12",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-power-clipped-at-window-2",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 10:30-11:08.\nLongest uninterrupted grid-5-p2 stretch in 2026-09-20 08:00-12:00: 38 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 10:30-11:08.\nlongest-stretch(grid-5-p2, 2026-09-20 08:00-12:00): 38 minutes.",
   "question": "The report's final line states one quantity about grid-5-p2 in the window. Which of these does that line state? A = the summed duration the state held: 38 minutes; B = the exact quantity is not determined by this record; C = the longest uninterrupted stretch: 38 minutes; D = the span from the first record to the last: 38 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "C",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "power availability",
    "boundary_class": "clipped-at-window",
    "subject": "grid-5-p2",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-power-clipped-at-window-3",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 10:04-10:21.\nLongest uninterrupted grid-12-p3 stretch in 2026-09-20 08:00-12:00: 17 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 10:04-10:21.\nlongest-stretch(grid-12-p3, 2026-09-20 08:00-12:00): 17 minutes.",
   "question": "The report's final line states one quantity about grid-12-p3 in the window. Which of these does that line state? A = the summed duration the state held: 17 minutes; B = the span from the first record to the last: 17 minutes; C = the exact quantity is not determined by this record; D = the longest uninterrupted stretch: 17 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "power availability",
    "boundary_class": "clipped-at-window",
    "subject": "grid-12-p3",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-power-overlapping-or-abutting-0",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:32-09:00, 08:55-09:42, 10:02-10:22, 10:22-10:58.\nLongest uninterrupted grid-5 stretch in 2026-09-20 08:00-12:00: 70 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:32-09:00, 08:55-09:42, 10:02-10:22, 10:22-10:58.\nlongest-stretch(grid-5, 2026-09-20 08:00-12:00): 70 minutes.",
   "question": "The report's final line states one quantity about grid-5 in the window. Which of these does that line state? A = the longest uninterrupted stretch: 70 minutes; B = the exact quantity is not determined by this record; C = the span from the first record to the last: 146 minutes; D = the summed duration the state held: 126 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "A",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "power availability",
    "boundary_class": "overlapping-or-abutting",
    "subject": "grid-5",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-power-overlapping-or-abutting-1",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:25-09:09, 09:03-09:35, 09:50-10:10, 10:10-10:49.\nLongest uninterrupted grid-12 stretch in 2026-09-20 08:00-12:00: 70 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:25-09:09, 09:03-09:35, 09:50-10:10, 10:10-10:49.\nlongest-stretch(grid-12, 2026-09-20 08:00-12:00): 70 minutes.",
   "question": "The report's final line states one quantity about grid-12 in the window. Which of these does that line state? A = the exact quantity is not determined by this record; B = the longest uninterrupted stretch: 70 minutes; C = the span from the first record to the last: 144 minutes; D = the summed duration the state held: 129 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "B",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "power availability",
    "boundary_class": "overlapping-or-abutting",
    "subject": "grid-12",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-power-overlapping-or-abutting-2",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:42-09:07, 09:00-09:48, 10:05-10:25, 10:25-10:53.\nLongest uninterrupted grid-5-p2 stretch in 2026-09-20 08:00-12:00: 66 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:42-09:07, 09:00-09:48, 10:05-10:25, 10:25-10:53.\nlongest-stretch(grid-5-p2, 2026-09-20 08:00-12:00): 66 minutes.",
   "question": "The report's final line states one quantity about grid-5-p2 in the window. Which of these does that line state? A = the exact quantity is not determined by this record; B = the span from the first record to the last: 131 minutes; C = the longest uninterrupted stretch: 66 minutes; D = the summed duration the state held: 114 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "C",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "power availability",
    "boundary_class": "overlapping-or-abutting",
    "subject": "grid-5-p2",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-power-overlapping-or-abutting-3",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:29-09:01, 08:55-09:44, 10:14-10:34, 10:34-11:08.\nLongest uninterrupted grid-12-p3 stretch in 2026-09-20 08:00-12:00: 75 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:29-09:01, 08:55-09:44, 10:14-10:34, 10:34-11:08.\nlongest-stretch(grid-12-p3, 2026-09-20 08:00-12:00): 75 minutes.",
   "question": "The report's final line states one quantity about grid-12-p3 in the window. Which of these does that line state? A = the exact quantity is not determined by this record; B = the summed duration the state held: 129 minutes; C = the span from the first record to the last: 159 minutes; D = the longest uninterrupted stretch: 75 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "power availability",
    "boundary_class": "overlapping-or-abutting",
    "subject": "grid-12-p3",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-power-known-absence-or-full-window-0",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: none recorded. coverage: the sensor reported for the whole window and the state never held.\nLongest uninterrupted grid-5 stretch in 2026-09-20 08:00-12:00: 0 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: none recorded. coverage: the sensor reported for the whole window and the state never held.\nlongest-stretch(grid-5, 2026-09-20 08:00-12:00): 0 minutes.",
   "question": "The report's final line states one quantity about grid-5 in the window. Which of these does that line state? A = the longest uninterrupted stretch: 0 minutes; B = the span from the first record to the last: 0 minutes; C = the summed duration the state held: 0 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "A",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "power availability",
    "boundary_class": "known-absence-or-full-window",
    "subject": "grid-5",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-power-known-absence-or-full-window-1",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:00-12:00. coverage: the sensor reported for the whole window and the state held throughout.\nLongest uninterrupted grid-12 stretch in 2026-09-20 08:00-12:00: 240 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:00-12:00. coverage: the sensor reported for the whole window and the state held throughout.\nlongest-stretch(grid-12, 2026-09-20 08:00-12:00): 240 minutes.",
   "question": "The report's final line states one quantity about grid-12 in the window. Which of these does that line state? A = the exact quantity is not determined by this record; B = the longest uninterrupted stretch: 240 minutes; C = the summed duration the state held: 240 minutes; D = the span from the first record to the last: 240 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "B",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "power availability",
    "boundary_class": "known-absence-or-full-window",
    "subject": "grid-12",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-power-known-absence-or-full-window-2",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: none recorded. coverage: the sensor reported for the whole window and the state never held.\nLongest uninterrupted grid-5-p2 stretch in 2026-09-20 08:00-12:00: 0 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: none recorded. coverage: the sensor reported for the whole window and the state never held.\nlongest-stretch(grid-5-p2, 2026-09-20 08:00-12:00): 0 minutes.",
   "question": "The report's final line states one quantity about grid-5-p2 in the window. Which of these does that line state? A = the exact quantity is not determined by this record; B = the summed duration the state held: 0 minutes; C = the longest uninterrupted stretch: 0 minutes; D = the span from the first record to the last: 0 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "C",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "power availability",
    "boundary_class": "known-absence-or-full-window",
    "subject": "grid-5-p2",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-power-known-absence-or-full-window-3",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:00-12:00. coverage: the sensor reported for the whole window and the state held throughout.\nLongest uninterrupted grid-12-p3 stretch in 2026-09-20 08:00-12:00: 240 minutes.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:00-12:00. coverage: the sensor reported for the whole window and the state held throughout.\nlongest-stretch(grid-12-p3, 2026-09-20 08:00-12:00): 240 minutes.",
   "question": "The report's final line states one quantity about grid-12-p3 in the window. Which of these does that line state? A = the span from the first record to the last: 240 minutes; B = the exact quantity is not determined by this record; C = the summed duration the state held: 240 minutes; D = the longest uninterrupted stretch: 240 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "power availability",
    "boundary_class": "known-absence-or-full-window",
    "subject": "grid-12-p3",
    "determined": true
   }
  },
  {
   "id": "tt-r71-longest-stretch-power-missing-coverage-0",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:35-09:00, 10:14-11:33. coverage unknown 09:00-10:14: no records exist for that period.\nLongest uninterrupted grid-5 stretch in 2026-09-20 08:00-12:00: not determined.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:35-09:00, 10:14-11:33. coverage unknown 09:00-10:14: no records exist for that period.\nlongest-stretch(grid-5, 2026-09-20 08:00-12:00): not determined.",
   "question": "The report's final line states one quantity about grid-5 in the window. Which of these does that line state? A = the exact quantity is not determined by this record; B = the span from the first record to the last: 178 minutes; C = the summed duration the state held: 104 minutes; D = the longest uninterrupted stretch: 79 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "A",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "power availability",
    "boundary_class": "missing-coverage",
    "subject": "grid-5",
    "determined": false
   }
  },
  {
   "id": "tt-r71-longest-stretch-power-missing-coverage-1",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:22-08:48, 10:03-11:17. coverage unknown 08:48-10:03: no records exist for that period.\nLongest uninterrupted grid-12 stretch in 2026-09-20 08:00-12:00: not determined.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:22-08:48, 10:03-11:17. coverage unknown 08:48-10:03: no records exist for that period.\nlongest-stretch(grid-12, 2026-09-20 08:00-12:00): not determined.",
   "question": "The report's final line states one quantity about grid-12 in the window. Which of these does that line state? A = the summed duration the state held: 100 minutes; B = the exact quantity is not determined by this record; C = the span from the first record to the last: 175 minutes; D = the longest uninterrupted stretch: 74 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "B",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "power availability",
    "boundary_class": "missing-coverage",
    "subject": "grid-12",
    "determined": false
   }
  },
  {
   "id": "tt-r71-longest-stretch-power-missing-coverage-2",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:11-08:32, 09:57-10:52. coverage unknown 08:32-09:57: no records exist for that period.\nLongest uninterrupted grid-5-p2 stretch in 2026-09-20 08:00-12:00: not determined.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:11-08:32, 09:57-10:52. coverage unknown 08:32-09:57: no records exist for that period.\nlongest-stretch(grid-5-p2, 2026-09-20 08:00-12:00): not determined.",
   "question": "The report's final line states one quantity about grid-5-p2 in the window. Which of these does that line state? A = the longest uninterrupted stretch: 55 minutes; B = the span from the first record to the last: 161 minutes; C = the exact quantity is not determined by this record; D = the summed duration the state held: 76 minutes;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "C",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "power availability",
    "boundary_class": "missing-coverage",
    "subject": "grid-5-p2",
    "determined": false
   }
  },
  {
   "id": "tt-r71-longest-stretch-power-missing-coverage-3",
   "english": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:18-08:44, 10:28-10:57. coverage unknown 08:44-10:28: no records exist for that period.\nLongest uninterrupted grid-12-p3 stretch in 2026-09-20 08:00-12:00: not determined.",
   "ainglish": "Definitions: the window is 2026-09-20 08:00-12:00. A record a-b means the state held from a to b; records may overlap or abut and every minute is counted once. 'Total time' is the summed duration the state held; 'longest uninterrupted stretch' is the longest run of consecutive minutes it held.\nRecords: 08:18-08:44, 10:28-10:57. coverage unknown 08:44-10:28: no records exist for that period.\nlongest-stretch(grid-12-p3, 2026-09-20 08:00-12:00): not determined.",
   "question": "The report's final line states one quantity about grid-12-p3 in the window. Which of these does that line state? A = the summed duration the state held: 55 minutes; B = the span from the first record to the last: 159 minutes; C = the longest uninterrupted stretch: 29 minutes; D = the exact quantity is not determined by this record;",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "settlement_stratum": "longest-stretch",
   "strata": {
    "statistic": "longest-stretch",
    "domain": "power availability",
    "boundary_class": "missing-coverage",
    "subject": "grid-12-p3",
    "determined": false
   }
  },
  {
   "id": "tt-r71-cal-1",
   "english": "Exactly one of T. Vasquez, M. Lindqvist or R. Okonjo holds keycard 400. This record leaves the holder unstated.",
   "ainglish": "Exactly one of T. Vasquez, M. Lindqvist or R. Okonjo holds keycard 400. This record names R. Okonjo as the holder.",
   "question": "According to this record, who holds keycard 400? A = T. Vasquez. B = not determined from this record. C = M. Lindqvist. D = R. Okonjo.",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "calibration_truth": {
    "detectable": "D",
    "other": "B"
   },
   "calibration": true
  },
  {
   "id": "tt-r71-cal-2",
   "english": "Exactly one of R. Okonjo, M. Lindqvist or T. Vasquez holds keycard 401. This record leaves the holder unstated.",
   "ainglish": "Exactly one of R. Okonjo, M. Lindqvist or T. Vasquez holds keycard 401. This record names T. Vasquez as the holder.",
   "question": "According to this record, who holds keycard 401? A = R. Okonjo. B = not determined from this record. C = M. Lindqvist. D = T. Vasquez.",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "calibration_truth": {
    "detectable": "D",
    "other": "B"
   },
   "calibration": true
  },
  {
   "id": "tt-r71-cal-3",
   "english": "Exactly one of R. Okonjo, T. Vasquez or M. Lindqvist holds keycard 402. This record leaves the holder unstated.",
   "ainglish": "Exactly one of R. Okonjo, T. Vasquez or M. Lindqvist holds keycard 402. This record names M. Lindqvist as the holder.",
   "question": "According to this record, who holds keycard 402? A = R. Okonjo. B = not determined from this record. C = T. Vasquez. D = M. Lindqvist.",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "calibration_truth": {
    "detectable": "D",
    "other": "B"
   },
   "calibration": true
  },
  {
   "id": "tt-r71-cal-4",
   "english": "Exactly one of R. Okonjo, T. Vasquez or A. Duarte holds keycard 403. This record leaves the holder unstated.",
   "ainglish": "Exactly one of R. Okonjo, T. Vasquez or A. Duarte holds keycard 403. This record names A. Duarte as the holder.",
   "question": "According to this record, who holds keycard 403? A = R. Okonjo. B = not determined from this record. C = T. Vasquez. D = A. Duarte.",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "calibration_truth": {
    "detectable": "D",
    "other": "B"
   },
   "calibration": true
  },
  {
   "id": "tt-r71-cal-5",
   "english": "Exactly one of R. Okonjo, T. Vasquez or S. Nwosu holds keycard 404. This record leaves the holder unstated.",
   "ainglish": "Exactly one of R. Okonjo, T. Vasquez or S. Nwosu holds keycard 404. This record names S. Nwosu as the holder.",
   "question": "According to this record, who holds keycard 404? A = R. Okonjo. B = not determined from this record. C = T. Vasquez. D = S. Nwosu.",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "calibration_truth": {
    "detectable": "D",
    "other": "B"
   },
   "calibration": true
  },
  {
   "id": "tt-r71-cal-6",
   "english": "Exactly one of R. Okonjo, T. Vasquez or K. Bergstrom holds keycard 405. This record leaves the holder unstated.",
   "ainglish": "Exactly one of R. Okonjo, T. Vasquez or K. Bergstrom holds keycard 405. This record names K. Bergstrom as the holder.",
   "question": "According to this record, who holds keycard 405? A = R. Okonjo. B = not determined from this record. C = T. Vasquez. D = K. Bergstrom.",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "calibration_truth": {
    "detectable": "D",
    "other": "B"
   },
   "calibration": true
  },
  {
   "id": "tt-r71-cal-7",
   "english": "Exactly one of R. Okonjo, T. Vasquez or L. Petrov holds keycard 406. This record leaves the holder unstated.",
   "ainglish": "Exactly one of R. Okonjo, T. Vasquez or L. Petrov holds keycard 406. This record names L. Petrov as the holder.",
   "question": "According to this record, who holds keycard 406? A = R. Okonjo. B = not determined from this record. C = T. Vasquez. D = L. Petrov.",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "calibration_truth": {
    "detectable": "D",
    "other": "B"
   },
   "calibration": true
  },
  {
   "id": "tt-r71-cal-8",
   "english": "Exactly one of R. Okonjo, T. Vasquez or H. Okafor holds keycard 407. This record leaves the holder unstated.",
   "ainglish": "Exactly one of R. Okonjo, T. Vasquez or H. Okafor holds keycard 407. This record names H. Okafor as the holder.",
   "question": "According to this record, who holds keycard 407? A = R. Okonjo. B = not determined from this record. C = T. Vasquez. D = H. Okafor.",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "calibration_truth": {
    "detectable": "D",
    "other": "B"
   },
   "calibration": true
  },
  {
   "id": "tt-r71-cal-9",
   "english": "Exactly one of R. Okonjo, T. Vasquez or Y. Tanaka holds keycard 408. This record leaves the holder unstated.",
   "ainglish": "Exactly one of R. Okonjo, T. Vasquez or Y. Tanaka holds keycard 408. This record names Y. Tanaka as the holder.",
   "question": "According to this record, who holds keycard 408? A = R. Okonjo. B = not determined from this record. C = T. Vasquez. D = Y. Tanaka.",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "calibration_truth": {
    "detectable": "D",
    "other": "B"
   },
   "calibration": true
  },
  {
   "id": "tt-r71-cal-10",
   "english": "Exactly one of R. Okonjo, T. Vasquez or F. Moreau holds keycard 409. This record leaves the holder unstated.",
   "ainglish": "Exactly one of R. Okonjo, T. Vasquez or F. Moreau holds keycard 409. This record names F. Moreau as the holder.",
   "question": "According to this record, who holds keycard 409? A = R. Okonjo. B = not determined from this record. C = T. Vasquez. D = F. Moreau.",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "calibration_truth": {
    "detectable": "D",
    "other": "B"
   },
   "calibration": true
  },
  {
   "id": "tt-r71-cal-11",
   "english": "Exactly one of R. Okonjo, T. Vasquez or C. Adeyemi holds keycard 410. This record leaves the holder unstated.",
   "ainglish": "Exactly one of R. Okonjo, T. Vasquez or C. Adeyemi holds keycard 410. This record names C. Adeyemi as the holder.",
   "question": "According to this record, who holds keycard 410? A = R. Okonjo. B = not determined from this record. C = T. Vasquez. D = C. Adeyemi.",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "calibration_truth": {
    "detectable": "D",
    "other": "B"
   },
   "calibration": true
  },
  {
   "id": "tt-r71-cal-12",
   "english": "Exactly one of R. Okonjo, T. Vasquez or N. Halvorsen holds keycard 411. This record leaves the holder unstated.",
   "ainglish": "Exactly one of R. Okonjo, T. Vasquez or N. Halvorsen holds keycard 411. This record names N. Halvorsen as the holder.",
   "question": "According to this record, who holds keycard 411? A = R. Okonjo. B = not determined from this record. C = T. Vasquez. D = N. Halvorsen.",
   "options": [
    "A",
    "B",
    "C",
    "D"
   ],
   "answer": "D",
   "calibration_truth": {
    "detectable": "D",
    "other": "B"
   },
   "calibration": true
  }
 ],
 "sha256": "cf2cf07ebeffc61bb39955e9e9ba8bc540eafd384ba09c1a2aab7ff229c6a636"
}