Answer the following question, with explanation first.
Premise: "A woman in a black tank top wears a gray helmet as she rollerskates."\nBased on this premise, can we conclude that the hypothesis "The lady is rollerskating for exercise." is true?\nOptions:\n- yes\n- it is not possible to tell\n- no

it is not possible to tell
The lady may be rollerskating for fun and not the exercise.

.

Final answer: it is not possible to tell