Which of the following sentences is nonsensical?
Options:
- Sentence A: "Build a house out of water."
- Sentence B: "Build a house out of cement."

Hmmm, let me think. I want to lay out the solution in details.

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
Houses made of water are not strong enough. The answer is Sentence A.