Question:
Premise: A boat with a roof on green water.

Hypothesis: The water is discolored
Is the hypothesis true?

Answer:
yes

Question:
Premise: A dog is running along the grass.

Hypothesis: The puppy is chasing a ball.
Is the hypothesis true?

Answer:
it is not possible to tell

Question:
Premise: One black dog and one mixed color dog run down a hill.

Hypothesis: Two dogs are running.
Is the hypothesis true?

Answer:
yes