{
  "notice": "Fictional exercise, no AI model result.",
  "answer_key": "Manual answer key, not AI output.",
  "documents": [
    {
      "id": "D1",
      "text": "Purchase order PO104. Case-027. Date 2026-09-24. Ten units.",
      "expected": "classify",
      "category": "purchase_order"
    },
    {
      "id": "D2",
      "text": "Certificate. Issuer: Example Workshop. Purpose: membership.",
      "expected": "classify",
      "category": "certificate"
    },
    {
      "id": "D3",
      "text": "Purchase order PO104. Case-027. Date 2026-09-24. Ten units.",
      "expected": "duplicate",
      "duplicate_of": "D1"
    },
    {
      "id": "D4",
      "text": "Proposed quotation QUO12, not accepted.",
      "expected": "review",
      "reason": "out_of_scope"
    },
    {
      "id": "D5",
      "text": "",
      "expected": "review",
      "reason": "unreadable"
    }
  ]
}