Let's think step by step! Of the following two sentences, which one is against common sense?
Options:
- Sentence A: "He wiped his mouth on a driveway."
- Sentence B: "He wiped his mouth on a napkin."

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 driveway is a rough piece of concrete, you would not wipe your mouth with it. The answer: Sentence A.