I'll give you a question, please answer with step-by-step reasoning process.
Of the following two sentences, which one is against common sense?\nOptions:\n- Sentence A: "the vet prescribed a medicine to worm my puppy"\n- Sentence B: "the butcher prescribed a medicine to worm my puppy"\n

Sentence B
Butcher's do not prescribe medicine and a puppy cannot be wormed.

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Final answer: Sentence B