Chain-of-thought: If you don't receive treatment, you will get worse and even hurt yourself.
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Question: Which of the following two sentences does not make sense?
Options:
- Sentence A: "You should receive treatment if you realize that you suffer from depression."
- Sentence B: "You don't need to receive treatment if you realize that you suffer from depression."

Answer: Sentence B

Chain-of-thought: Weather change is a normal phenomenon in nature, not a result of manual intervention.
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Question: Which of the following sentences is nonsensical?
Options:
- Sentence A: "Weather change is a natural phenomenon"
- Sentence B: "Weather change is an artificial behavior"

Answer: Sentence B

Chain-of-thought: Old books are not as good as the new books.
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Question: One of the following sentences is nonsensical. Which one is it?
Options:
- Sentence A: "Old books are as good as new books"
- Sentence B: "Old books are worse than new books"

Answer: Sentence B