Question:
Premise: A man leans back while climbing a mountain tethered to a rope.

Hypothesis: A guy takes a break during a five-hour mountain climb.
Is the hypothesis true?

Answer:
it is not possible to tell

Question:
Premise: Two people on a floating device in the water on a nice day.

Hypothesis: Two people are together on a nice day.
Is the hypothesis true?

Answer:
yes

Question:
Premise: Two girls pose with trophy at crowded event.

Hypothesis: A man drinking a beer.
Is the hypothesis true?

Answer:
no