Q: 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"

A: Sentence B
Explain how we arrive at this answer:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Explanation: Old books are not as good as the new books.