Question:
Premise: A person dressed as Batman poses for a picture.

Hypothesis: a person is on set of a movie
Is the hypothesis true?

Answer:
it is not possible to tell

Question:
Premise: A male gymnast leaps over a stack of wooden platforms.

Hypothesis: A male gymnast is leaping.
Is the hypothesis true?

Answer:
yes

Question:
Premise: A group of firemen standing.

Hypothesis: A fireman puts his helmet on.
Is the hypothesis true?

Answer:
no