Premise: "A man is throwing his young son up into the air on the beach."\nHypothesis: "A man and his son are on vacation."\nIs the hypothesis entailed by the premise?\nOptions:\n- yes\n- it is not possible to tell\n- no
Let's think step by step below.
it is not possible to tell
Being on the beach does not imply that they are on vacation.

.

So, the final answer is it is not possible to tell