Question:
Premise: a man singing while a woman plays guitar.

Hypothesis: The man plays guitar while the woman sings.
Is the hypothesis true?

Answer:
no

Question:
Premise: A group of people walk down the street waving rainbow flags.

Hypothesis: The people are walking in a gay pride parade.
Is the hypothesis true?

Answer:
yes

Question:
Premise: Two people are sleeping on a couch.

Hypothesis: Two people sleep naked on a couch.
Is the hypothesis true?

Answer:
it is not possible to tell