Use reasoning to lead to the answer of the following question:
Of the following two sentences, which one is against common sense?\nOptions:\n- Sentence A: "The man brushed his teeth with a shower sponge."\n- Sentence B: "The man brushed his teeth with a toothbrush."\n

Sentence A
A shower sponge isn't used for brushing your teeth.

.

The answer is Sentence A