{
  "question": "The amount of air drag on an 0.8-N flying squirrel dropping vertically at terminal velocity is",
  "options": {
    "A": "less than 0.8 N",
    "B": "0.8 N",
    "C": "greater than 0.8 N",
    "D": "dependent on the orientation of its body"
  },
  "answer": "B",
  "topk_tokens": [
    "terminal velocity",
    "air drag force",
    "weight of an object"
  ],
  "uncertainties": [
    null,
    null,
    null
  ],
  "raw_output": "{\"concepts\": [\"terminal velocity\", \"air drag force\", \"weight of an object\"]}"
}