Let's think step by step! Choose the sentence that goes against common sense.
Options:
- Sentence A: "teacher teaches lessons by her mouth"
- Sentence B: "teacher teaches lessons by her nose"

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 nose cannot speak, therefore it could not teach. The answer: Sentence B.