Answer the following question, with explanation first. Of the following two sentences, which one is against common sense?
Options:
- Sentence A: "I have to return the borrowed book to the library, or I would have souvenir"
- Sentence B: "I have to return the borrowed book to the library, or I would have penalty"

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
Library books are only lent to people, they don't get to keep them.
So, the answer is Sentence A.