I'll give you a question, please answer with step-by-step reasoning process.
Choose the sentence that goes against common sense.\nOptions:\n- Sentence A: "He looked up the address for the restaurant in the phone book."\n- Sentence B: "He looked up the name of the president in the phone book."\n

Sentence B
The phone book does not keep information on current events.

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So, the final answer is Sentence B