Question:
Premise: An ice climber scaling a frozen waterfall.

Hypothesis: The person is climbing the ice.
Is the hypothesis true?

Answer:
yes

Question:
Premise: A man on a very tall unicycle entertains the crowd.

Hypothesis: A man on a penny-farthing performs for the crowd.
Is the hypothesis true?

Answer:
no

Question:
Premise: A group of bikers are gathered together and taking pictures.

Hypothesis: a biker is space walking
Is the hypothesis true?

Answer:
no