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: "taking a walk in the park can be good for your health"
- Sentence B: "taking a dump in the park can be good for your health"

user
Taking a dump in the park is illegal and unsanitary.
Thus, the answer is Sentence B.
assistant