Premise: "A bike rider is doing performance tricks."\nHypothesis: "A biker is performing on his bike."\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
A bike rider is doing performance tricks does not indicate that he is performing on his bike.

.

Therefore, the answer is it is not possible to tell