{
  "required": [
    "two sentences",
    "no invented discount"
  ],
  "candidates": [
    {
      "id": "A",
      "facts": true,
      "format": true,
      "invented_discount": false
    },
    {
      "id": "B",
      "facts": false,
      "format": true,
      "invented_discount": true
    }
  ]
}