{
  "context": "Customer dispute: invoice 120 vs PO 100, age=3d, region=US",
  "candidates": [
    {
      "id": "billing",
      "text": "route to billing support"
    },
    {
      "id": "technical",
      "text": "route to technical support"
    },
    {
      "id": "sales",
      "text": "route to sales"
    },
    {
      "id": "none",
      "text": "none of these routes is appropriate",
      "kind": "abstain"
    }
  ]
}