OK. You'll be given the following question. Please do chain-of-thought reasoning.
Which of the following sentences is nonsensical?
Options:
- Sentence A: "The father put a band-aid on his child's scraped knee."
- Sentence B: "The father put a band-aid on his child's scraped hair."

user
You cannot scrape your hair and you do not put band-aids on your hair.
Thus, the answer is Sentence B.
assistant