Given the rationale, provide a reasonable question and answer. Step-by-step reasoning process: I will get dirty mowing the yard, then I will need a shower.
 The question and answer:

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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Which of these sentences doesn't make sense?
Options:
- Sentence A: "I will go take a shower before mowing the yard."
- Sentence B: "I will go take a shower after I finish mowing the yard."

The answer is Sentence A