Explain simply why it is not possible to tell is the correct answer to: Premise: "Small child wearing a yellow life jacket walks in the sand with their boogieboard on their head."
Hypothesis: "A boy prepares to ride his boogieboard in the ocean."
Do we know that the hypothesis entailed by the premise?. Explanation:

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 child might not be a boy. Not everyone who carries a board prepares to ride it. There might not be an ocean.