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      "integer_answer": 1,
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      "question_ids": []
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    {
      "exam": "main",
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    },
    {
      "exam": "main",
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    },
    {
      "exam": "main",
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    },
    {
      "exam": "main",
      "year": 2026,
      "paper": "1",
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  ],
  "method": "All offered positions counted, including optional and dropped items. Response format and question structure are separate dimensions. Structures are exclusive by precedence assertion–reason > matching > statements > other. Passage/comprehension is an additional overlapping flag. One primary historical chapter allocation per question, with secondary tags for mixed concepts. Question shares are not marks shares. Format/structure and chapter tags are editorial classifications, not official statistics or external subject-expert certification."
}