Question:
Premise: Two men, both wearing green cycling clothes and helmets, are riding bicycles.

Hypothesis: Two guys ride bikes.
Is the hypothesis true?

Answer:
yes

Question:
Premise: Two UFC fighters are fighting in a ring, the opponent on top has flames on his shorts and is about to deliver a punch to his opponent whom he has pinned.

Hypothesis: Two UFC fighters are having lunch together.
Is the hypothesis true?

Answer:
no

Question:
Premise: Two people walking by a large stone wall.

Hypothesis: Two people are walking.
Is the hypothesis true?

Answer:
yes