OK. You'll be given the following question. Please do chain-of-thought reasoning.
Which of the following two sentences does not make sense?
Options:
- Sentence A: "You sit when watching a play in a theater."
- Sentence B: "You walk around when watching a play in a theater."

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
It's impolite to walk around in a theater.
Thus, the answer is Sentence B.