{
  "question": "When an increase in speed doubles the momentum of a moving body its kinetic energy",
  "options": {
    "A": "increases but less than doubles",
    "B": "doubles",
    "C": "more than doubles",
    "D": "depends on factors not stated"
  },
  "answer": "C",
  "topk_tokens": [
    "momentum",
    "kinetic_energy",
    "speed_relationships"
  ],
  "uncertainties": [
    null,
    null,
    null
  ],
  "raw_output": "{\"concepts\": [\"momentum\", \"kinetic_energy\", \"speed_relationships\"]}"
}