Question:
Premise: A boy with a huge smile on hid face, in a flower field.

Hypothesis: A boy is looking for flowers in the field.
Is the hypothesis true?

Answer:
it is not possible to tell

Question:
Premise: Two people with bicycle helmet riding bikes in a park.

Hypothesis: There are two people who are using their own bikes, and their own helmets.
Is the hypothesis true?

Answer:
yes

Question:
Premise: A snarling brown and black dog corners a brown long-haired cat under a wooden bench.

Hypothesis: Two cats lying on a chair.
Is the hypothesis true?

Answer:
no