Please answer the following question by reasoning step-by-step.
Which of the following two sentences does not make sense?\nOptions:\n- Sentence A: "I took the letter to the post office to be mailed."\n- Sentence B: "I took the letter to the pharmacy to be mailed."\n

Sentence B
A pharmacy is for medicine and does not have the staff or ability to deliver mail.

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The final answer: Sentence B