Premise: many people exercising in the ocean

Hypothesis: People in the ocean.
yes

Premise: A man walking down a sidewalk with 2 dogs on leashes.

Hypothesis: The dogs are pulling the man.
it is not possible to tell

Premise: A man jumps into the water on a sunny day.

Hypothesis: It is night time.
no

Premise: Man with old movie camera and equipment, all in gold, being approached by a young child in a blue coat.

Hypothesis: A man being approached by a child.
yes