One of the following sentences is nonsensical. Which one is it?
Options:
- Sentence A: "Once I went an entire day without breathing."
- Sentence B: "Once I went an entire day without eating."
 Let's reason step by step:

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
You have to breathe in order to live, and the record is like 12 mins, not an entire day. Final answer: Sentence A.