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: "You cut your hair with a hairbrush"
- Sentence B: "You brush your hair with a hairbrush"

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
A hairbrush is not used for hair cutting.
Thus, the answer is Sentence A.