Answer the following question, with explanation first.
Of the following two sentences, which one is against common sense?\nOptions:\n- Sentence A: ""Fuck off!", said the waiter, warmly welcoming the boss"\n- Sentence B: ""Welcome home!", said the waiter, warmly welcoming the boss"\n

Sentence A
A waiter would never use that language while greeting his employer.

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So, the final answer is Sentence A