Q: Pick which sentence is not logical.
Options:
- Sentence A: "You can walk on a sandy beach."
- Sentence B: "You can walk on a lake."

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
A lake cannot support a person walking on it. The answer is Sentence B.