Please answer the following question by reasoning step-by-step.
Premise: "A child climbs a rock wall."\nHypothesis: "A boy is having trouble with an exercise."\nIs the hypothesis entailed by the premise?\nOptions:\n- yes\n- it is not possible to tell\n- no

it is not possible to tell
He is climbing a rock wall and may not be having trouble with an exercise.

.

Final answer: it is not possible to tell