Question:
Premise: A large crowd of people, and at the side a gentleman having his picture taken by a photographer as he poses.

Hypothesis: A famous actor is getting photographed on the red carpet in front of his adoring fans.
Is the hypothesis true?

Answer:
it is not possible to tell

Question:
Premise: A dog is jumping in the air over some leaves.

Hypothesis: A dog jumping in the air over some leaves outside.
Is the hypothesis true?

Answer:
it is not possible to tell

Question:
Premise: A man windsurfing

Hypothesis: A man is getting wet.
Is the hypothesis true?

Answer:
it is not possible to tell