Q: Which of the following sentences is nonsensical?
Options:
- Sentence A: "The snail's shell is his food."
- Sentence B: "The snail's shell is his home."

Let's solve this gradually.

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
The shell of a snail protects the snail, not its food. The answer is Sentence A.