OK. You'll be given the following question. Please do chain-of-thought reasoning.
Which of these sentences doesn't make sense?
Options:
- Sentence A: "Jack keeps still when he jumps from a building"
- Sentence B: "Jack drops when he jumps from a building"

user
Nobody can stand still after jumping as there is gravitational pull acts on object which bring down on the floor.
Thus, the answer is Sentence A.
assistant