Question:
Premise: There are many construction workers setting up scaffolding.

Hypothesis: The workers have on hats.
Is the hypothesis true?

Answer:
it is not possible to tell

Question:
Premise: The black dog is catching a ball, while the white one watches.

Hypothesis: A black dog is playing by himself with a small audience.
Is the hypothesis true?

Answer:
yes

Question:
Premise: A worker in a blue hat is fixing the wall.

Hypothesis: The door was broken off the hinges.
Is the hypothesis true?

Answer:
no