Choose the sentence that goes against common sense.
Options:
- Sentence A: "she kept her army under the mattress"
- Sentence B: "she kept her money under the mattress"
 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
Mattress is not a place to keep the army.
The final answer: Sentence A.