Premise: A young girl eats a piece of cake.

Hypothesis: a young girl eats some cake
yes

Premise: Two boys wearing matching blue swim caps swim in a lake.

Hypothesis: The boys are wearing swim trunks.
it is not possible to tell

Premise: A young girl waves to the camera while riding a ferris wheel.

Hypothesis: The girl is about ten years old.
it is not possible to tell

Premise: School band playing outside.

Hypothesis: A band is playing for a sporting event.
it is not possible to tell