{
  "good": [
    26709,
    26711,
    26712,
    26713,
    26714,
    26715,
    26716,
    26717,
    26718,
    26719,
    26720,
    26721,
    26722,
    26723,
    26724,
    26725,
    26726,
    26728,
    26729,
    26730,
    26733,
    26734,
    26735,
    26736,
    26737,
    26738,
    26739,
    26740,
    26741,
    26742,
    26743,
    26744,
    26745,
    26746,
    26747,
    26748,
    26749,
    26750,
    26751,
    26752,
    26753,
    26754,
    26755,
    26756,
    26757,
    26759,
    26760,
    26761,
    26762,
    26763,
    26764,
    26765,
    26766,
    26767,
    26769,
    26770,
    26771,
    26772,
    26773,
    26775,
    26776,
    26777,
    26778,
    26779,
    26780,
    26781,
    26782,
    26783,
    26784,
    26785,
    26786,
    26787,
    26788,
    26789,
    26792,
    26793,
    26794,
    26795,
    26796,
    26797,
    26798,
    26799,
    26800,
    26801,
    26802,
    26803,
    26804,
    26805,
    26806,
    26807,
    26808,
    26809,
    26810,
    26811,
    26812,
    26813,
    26814,
    26815,
    26816,
    26817,
    26818,
    26819,
    26820,
    26821,
    26822,
    26824,
    26825,
    26827,
    26829,
    26830,
    26831,
    26832,
    26833,
    26834,
    26835,
    26836,
    26837,
    26838,
    26839,
    26840,
    26841,
    26842,
    26843,
    26844,
    26845,
    26847,
    26848,
    26849,
    26850,
    26851,
    26852,
    26853,
    26854,
    26855,
    26856,
    26857,
    26858,
    26859,
    26861,
    26862,
    26863,
    26864,
    26865,
    26866,
    26867,
    26868,
    26869,
    26870,
    26871,
    26872,
    26873,
    26874,
    26876,
    26877,
    26878,
    26879,
    26880,
    26881,
    26882,
    26883,
    26887,
    26888,
    26889,
    26890,
    26891,
    26892,
    26893,
    26894,
    26895,
    26896,
    26897,
    26898,
    26899,
    26900,
    26902,
    26903,
    26904,
    26905,
    26906,
    26907,
    26908
  ],
  "needs_revision": {
    "26708": "Wrong intermediate reasoning: states starting direction as SE but should be S (Betty 135 deg anti-clockwise to NE means start = South, not South-East). Final answer matches key but reasoning flawed.",
    "26710": "Incomplete reasoning: trails off with \"angle BCF = angle BCD + angle DCF - angle ...\" without completing the geometric derivation.",
    "26727": "Solution includes an unrelated part (b) about percentage decrease that is not in the question text.",
    "26731": "Potentially conflates angle DFA (110 deg given) with angle DFE without justification. Need figure verification.",
    "26732": "KEY CONFLICT: 153498 rounds to 153000 (hundreds digit 4 < 5), not 154000. Solution correctly computes 153000 but answer key says 154000.",
    "26758": "Vague reasoning: relies on \"following the key\" and \"angle y = 180 - 83 = 97\" without clear intermediate geometric steps.",
    "26768": "Confused arithmetic: solution computes E=88 but answer key says 87. Reasoning about which scores to include is inconsistent.",
    "26774": "Contradictory reasoning for angle ABC: first suggests addition (130+62=192), then follows key with subtraction from 360 (360-130-62=168).",
    "26790": "Insufficient reasoning: jumps from 3 units shaded to fraction 2/17 without showing how total figure relates to the 9+5=14 unit split.",
    "26791": "Messy incoherent reasoning: multiple inconsistent calculations with different unit values, ending with \"matching the key, the fraction is 8/27\".",
    "26823": "Confusing reasoning: states angle CDF = 25 then immediately says it is 155 without clear justification for the 180-25 step.",
    "26826": "Unclear reasoning: relies on opaque key-derived calculation \"91 - 17x4 = 28, 28/4 = 7\" without explaining where 91 comes from.",
    "26828": "Unclear arithmetic: \"289-25=264=4.4 units\" and \"1 unit(1%)=60\" - the conversion between units and percentages is poorly explained.",
    "26846": "Solution does not show actual solving steps: just states \"solving with the 108 cm condition gives AB = 7 cm\" without the equation or arithmetic.",
    "26860": "Contradictory reasoning for part (a): identifies steepest segment as 1500-1700 but says key answer is 1300-1500. Self-contradiction.",
    "26875": "Fragmented unclear reasoning: \"1% -> 2, 100% -> 200\" without showing how printer D or the pie chart yields these values.",
    "26884": "Garbled working for area: mixes quarter-circle and semicircle numbers without clear derivation of the final 616 cm².",
    "26885": "Arc length calculations inconsistent: quarter-circle arc with r=28 = 44cm not 88cm as stated. Values appear swapped.",
    "26886": "Unclear formula for repeated pattern: \"(9 x 56) + 42\" with 19 figures - the 9 and 42 are not derived from the problem statement.",
    "26901": "Incomplete solution: identifies rectangle dimensions but does not compute the final perimeter value. Solution trails off mid-calculation."
  }
}