{
  "data_type": "synthetic teaching records",
  "transactions": 24,
  "flagged_for_review": 4,
  "rule_counts": {
    "large_amount_new_device": 3,
    "third_or_later_payment_within_10_minutes": 1
  },
  "flagged_transactions": [
    {
      "transaction_id": "TXN-005",
      "account_id": "ACCT-05",
      "amount_eur": "1500.00",
      "reasons": "large_amount_new_device"
    },
    {
      "transaction_id": "TXN-010",
      "account_id": "ACCT-DEMO",
      "amount_eur": "120.00",
      "reasons": "third_or_later_payment_within_10_minutes"
    },
    {
      "transaction_id": "TXN-012",
      "account_id": "ACCT-04",
      "amount_eur": "1500.00",
      "reasons": "large_amount_new_device"
    },
    {
      "transaction_id": "TXN-019",
      "account_id": "ACCT-03",
      "amount_eur": "1500.00",
      "reasons": "large_amount_new_device"
    }
  ],
  "limitation": "No verified fraud labels; precision, recall and fraud-detection accuracy cannot be calculated."
}