Question:
Premise: A man with a strange helmet is sitting on top of a blue motorcycle.

Hypothesis: A man prepares to drive a motorcycle.
Is the hypothesis true?

Answer:
it is not possible to tell

Question:
Premise: A man checks his phone while sitting on a stone bench.

Hypothesis: While sitting on a stone bench, man checks his phone.
Is the hypothesis true?

Answer:
yes

Question:
Premise: A man is talking on a cellphone and riding a bike.

Hypothesis: A human talking
Is the hypothesis true?

Answer:
yes