Answer the following question, with explanation first. One of the following sentences is nonsensical. Which one is it?
Options:
- Sentence A: "bosh realized he forgot something when he looked at his watch"
- Sentence B: "bosh realized he forgot something when he looked at his list"

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
A watch would not serve as a reminder to someone, most likely.
So, the answer is Sentence A.