{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "cph:kind/example",
  "title": "example",
  "type": "object",
  "properties": {
    "problem": { "type": "string", "x-cph-content": true },
    "solution": { "type": "string", "x-cph-content": true },
    "source": { "type": "string" }
  },
  "required": ["problem", "solution"],
  "additionalProperties": false
}