{
  "nature": "original fictional teaching case",
  "promised_orders": 100,
  "late_orders": 20,
  "classification_rule": "first recorded blocker per order, not exclusive real-world causes",
  "branches": [
    {
      "label": "Stock confirmation",
      "count": 8
    },
    {
      "label": "Address clarification",
      "count": 5
    },
    {
      "label": "Order cutoff",
      "count": 4
    },
    {
      "label": "Carrier pickup",
      "count": 3
    }
  ],
  "inventory_subset": {
    "manual_lookup": 6,
    "unexplained": 2
  },
  "hypotheses": [
    "update timing",
    "stock reservations"
  ],
  "unknown": "The evidence does not yet establish the cause of the stock discrepancy."
}