Question:
Premise: A man shaving another man's mustache.

Hypothesis: a man shaves another man
Is the hypothesis true?

Answer:
yes

Question:
Premise: A boy wearing a black and blue life vest is on a green, wooden boat looking out towards the water.

Hypothesis: A boy is wearing a green and blue life vest.
Is the hypothesis true?

Answer:
no

Question:
Premise: A white dog and a brown dog play in the grass.

Hypothesis: Two dogs are playing with a chew toy.
Is the hypothesis true?

Answer:
it is not possible to tell