Premise: A young girl in a pink swimsuit.

Hypothesis: A young girl wears a pink swimsuit before she leaves to go to the pool.
it is not possible to tell

Premise: Unicyclist rides around a little person to entertain a small crowd of onlookers.

Hypothesis: The unicyclist is on his lunch break.
no

Premise: A young woman skates on ice.

Hypothesis: A girl playing hockey.
it is not possible to tell

Premise: A white car is parked by a wall with graffiti.

Hypothesis: The car is in the water.
no