Please answer the following question by reasoning step-by-step.
Premise: "A boy with a helmet skateboards across the street."\nBased on this premise, can we conclude that the hypothesis "A boy knows how to do tricks on a skateboard." is true?\nOptions:\n- yes\n- it is not possible to tell\n- no

it is not possible to tell
Skateboards across the street does not necessarily mean knows how to do tricks.

.

The answer: it is not possible to tell