Question:
Premise: A man and two children, one child sitting on a pillow, staring out at an aquarium full of tropical fish.

Hypothesis: A man and two kids are looking at fish.
Is the hypothesis true?

Answer:
yes

Question:
Premise: A man and a woman practice on a field.

Hypothesis: a man and woman practice fielding questions.
Is the hypothesis true?

Answer:
no

Question:
Premise: Four kids sitting down two of them are sitting on a white cloth.

Hypothesis: A group of martians sitting, some of them on a spaceship.
Is the hypothesis true?

Answer:
no