{
  "type": "object",
  "properties": {
    "choice": {
      "type": "string",
      "enum": [
        "A",
        "B",
        "C"
      ],
      "description": "Choose the response that correctly answers input.question. Return its key from input.responses.",
      "x-runtime": {
        "probabilities": true
      }
    }
  },
  "required": [
    "choice"
  ],
  "additionalProperties": false
}