Question:
Premise: A gray dog chases a bunch of crows, a river in the background.

Hypothesis: There is a dog runnign after some birds.
Is the hypothesis true?

Answer:
yes

Question:
Premise: A man wearing a red hat, red jacket, and red sunglasses is listening to his music player.

Hypothesis: A man is listening to music.
Is the hypothesis true?

Answer:
yes

Question:
Premise: There are two guys playing guitar hero at a public place.

Hypothesis: Two men are competing with each other in a video game.
Is the hypothesis true?

Answer:
it is not possible to tell