Question: Pick which sentence is not logical.
Options:
- Sentence A: "He fell into the ocean from the sky"
- Sentence B: "He fell into the ocean from the reef"

Please answer this question 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 reef is underneath the water, so you can't fall up. So the answer is Sentence B.