Premise: A man, in the American flag swim trunks, swims underneath other at a pool.

Hypothesis: the man is in the water
yes

Premise: Stunt man on fire with two men watching.

Hypothesis: A man is on fire
yes

Premise: Coeds sit on a stone picnic table and eat lunch in the courtyard.

Hypothesis: People sit on a picnic table and eat lunch.
yes

Premise: A man windsurfs in the ocean.

Hypothesis: A man windsurfs while his girlfriend watches from the shore.
it is not possible to tell