Stream of consciousness rationale: A boy can play on the shore of an ocean without making a sand castle. Some shores are mostly rock instead of sand as well.
The question and answer pair are described below.

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
Q: Premise: "The boy is playing on the shore of an ocean."
Based on this premise, can we conclude that the hypothesis "The boy is making a sand castle." is true?
Options:
- yes
- it is not possible to tell
- no
A: it is not possible to tell