Carefully classify the document into one of the following categories:
{{categories}}

1. Answer strictly in JSON format as:
```json
{
  "category": "Selected category",
  "confidence": "Confidence score between 0 and 1"
}
```
2. Output MUST be valid JSON (no code fences, no Markdown).
3. Answer must only contain the JSON output.
4. Do not include any additional text outside the JSON.