Question:
Premise: A man in a leather jacket grins with his teeth showing.

Hypothesis: The biker grins.
Is the hypothesis true?

Answer:
it is not possible to tell

Question:
Premise: Firefighters stand on moist ground with a firetruck.

Hypothesis: There was a fire.
Is the hypothesis true?

Answer:
it is not possible to tell

Question:
Premise: An asian boy is talking to his friend next to a soda machine.

Hypothesis: Two people are talking.
Is the hypothesis true?

Answer:
yes