{
  "question": "Relativity equations for time, length, and momentum hold true for",
  "options": {
    "A": "everyday low speeds.",
    "B": "relativistic speeds.",
    "C": "Both of these.",
    "D": "Neither of these."
  },
  "answer": "C",
  "topk_tokens": [
    "relativistic_speeds",
    "time_dilation",
    "length_contraction"
  ],
  "uncertainties": [
    null,
    null,
    null
  ],
  "raw_output": "{\"concepts\": [\"relativistic_speeds\", \"time_dilation\", \"length_contraction\"]}"
}