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: "Upgrading the seat can give you a more comfortable seat, but it also means less money"\n- Sentence B: "Upgrading the seat can give you a more comfortable seat, but it also means more money"\n

Sentence A
A better seat than the original could not cost less money.

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So, the final answer is Sentence A