You cannot wake up if you are already awake.is the reasoning for what question and answer pair?

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.
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Q: Which of the following sentences is nonsensical?
Options:
- Sentence A: "If you want to awake then you should go to sleep"
- Sentence B: "If you want to awake then you should stay awake"

A: Sentence B