Question:
Premise: A boy holds his hands on his head.

Hypothesis: The boy has a headache
Is the hypothesis true?

Answer:
it is not possible to tell

Question:
Premise: A young couple consults a book while sitting on a rock in the ruins of the Roman forum.

Hypothesis: Two young people are reading a book.
Is the hypothesis true?

Answer:
yes

Question:
Premise: A biker holds onto their bike while in the air with a mountin in the background.

Hypothesis: A rider performs a jump.
Is the hypothesis true?

Answer:
it is not possible to tell