Premise: A band performing and entertaining on stage at a Valentine's Day event.

Hypothesis: People are playing instruments on a stage.
yes

Premise: Little boy who is playing in the sand.

Hypothesis: The child is playing.
yes

Premise: Two men are standing in a police rescue boat.

Hypothesis: The men are in the boat completely underwater.
no

Premise: The swimmer in the middle lane appears to be ahead of the swimmers in the lanes on each side of him.

Hypothesis: A swimmer is beating the competition at a swim meet.
it is not possible to tell