Of the following two sentences, which one is against common sense?
Options:
- Sentence A: "Her mouth hurts because she cut her tongue"
- Sentence B: "Her mouth hurts because she cut her elbow"
 Let's be accurate as possible. So think first.

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 cut on an elbow would not have any impact on the mouth.
The final answer: Sentence B.