Question:
Premise: A security guard points at a sign.

Hypothesis: The sign is yellow.
Is the hypothesis true?

Answer:
it is not possible to tell

Question:
Premise: A man runs on a bridge over a river.

Hypothesis: A man is running
Is the hypothesis true?

Answer:
yes

Question:
Premise: One person is standing and one person is sitting in a canoe on open water.

Hypothesis: A father is watching his son canoe.
Is the hypothesis true?

Answer:
it is not possible to tell