I'll give you a question, please answer with step-by-step reasoning process.
Of the below sentences, which one does *not* make sense?\nOptions:\n- Sentence A: "He brushed his teeth with his comb."\n- Sentence B: "He brushed his teeth with his toothbrush."\n

Sentence A
Toothbrushes are for brushing your teeth, while combs are for brushing your hair.

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Thus, the answer is Sentence A