{
  "synthetic": true,
  "scope": "Editorial teaching case, not a bank export, import template, vendor test or accounting recommendation",
  "topic_id": "TP-050",
  "observations": [
    {
      "id": "old",
      "event": "S1",
      "source": "online",
      "amount": "-45.00"
    },
    {
      "id": "csv",
      "event": "S1",
      "source": "CSV",
      "amount": "-45.00"
    },
    {
      "id": "other",
      "event": "S2",
      "source": "online",
      "amount": "-45.00"
    }
  ],
  "expected_unique_events": 2,
  "control": "Same amount is not proof. Existing document links must be inspected"
}