Question:
Premise: A man is in the pool with a child floating in a life vest.

Hypothesis: The man is the father of the child.
Is the hypothesis true?

Answer:
it is not possible to tell

Question:
Premise: Two rafts overturn in a river.

Hypothesis: Some raft get knocked over in a body of water.
Is the hypothesis true?

Answer:
yes

Question:
Premise: a man sitting at the beach.

Hypothesis: a man is at home
Is the hypothesis true?

Answer:
no