Of the below sentences, which one does *not* make sense?
Options:
- Sentence A: "If you don't understand, you should ask questions."
- Sentence B: "If you don't understand, you should not ask questions."
 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
Asking questions others can help you understand the problem from another angle.
The final answer: Sentence B.