Premise: A young man jumping his skateboard in a skate park with the ocean and a beach in the background.

Hypothesis: a young man in a skate park near the beach is in a skateboarding contest
it is not possible to tell

Premise: A man in shorts on an elliptical.

Hypothesis: A man is wearing shorts.
yes

Premise: A young man sits cross legged on a ledge while looking off to the side.

Hypothesis: The man is eating pizza at a dining room table.
no

Premise: There is a young boy in a striped shirt, sitting in tall grass, making a contraption out of sticks and twine.

Hypothesis: The boy is asleep.
no