Premise: A crowd surrounds a grounded hot air balloon.

Hypothesis: Crowd at a baseball game
no

Premise: A boy skateboards on a ramp.

Hypothesis: A boy is riding a bike.
no

Premise: A man on a bike is walking a dog along a boardwalk.

Hypothesis: they hated each other
no

Premise: Teenagers in matching shirts stand at the side of the road holding trash bags.

Hypothesis: Teenagers volunteering to pick up trash on the side of the road.
it is not possible to tell