Creatively image a question and justification for this answer: Sentence B

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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The question is: Which of the following two sentences does not make sense?
Options:
- Sentence A: "My doctor gave me the last dose of the injection yesterday."
- Sentence B: "My mechanic gave me the last dose of the injection yesterday."

Step-by-step reasoning process: A mechanic is not a medical personnel and cannot give anyone an injection.
