Question:
Premise: A young man in blue jeans and an undershirt dances with a bare-midriffed young woman in a crowded nightclub.

Hypothesis: A casually dressed man and woman dance in a club.
Is the hypothesis true?

Answer:
yes

Question:
Premise: Young adults have barbecue in the park.

Hypothesis: The young adults are celebrating July 4th.
Is the hypothesis true?

Answer:
it is not possible to tell

Question:
Premise: Two young women are reading from a paper into a microphone.

Hypothesis: The women are enjoying performing.
Is the hypothesis true?

Answer:
it is not possible to tell