{
  "problem_description": <the problem description of the function>,
  "io_requirements": <the input/output requirements and constraints>,
  "refcode": <the reference code, including imported packages (optional), auxiliary functions (optional) and main entrypoint function>,
  "funcname": <the function name for the entrypoint function>,
  "ios": [
    {
      "input": <the input arguments>,
      "output":<the returned value>
    },
    ...
  ],
  "source": <the source of the raw code files>,
  "category": <the reasoning type we assign to this sample>,
  "meta": <meta information about this sample>
}