Premise: Man jumping off rocks.

Hypothesis: A man is jumping.
yes

Premise: Two little boys are standing amongst soldiers.

Hypothesis: Two boys are surrounded by men.
it is not possible to tell

Premise: A person rides a skateboard off of a wooden bench.

Hypothesis: a person doing skateboard tricks
yes

Premise: Man in spotted shirts chats with another man outside at night.

Hypothesis: Some people are outside doing somehting
it is not possible to tell