Question:
Premise: A man diving with a snorkeling mask in his hand.

Hypothesis: A man is at the ocean.
Is the hypothesis true?

Answer:
it is not possible to tell

Question:
Premise: Two blue collar workers are working on a stage.

Hypothesis: Nobody is working.
Is the hypothesis true?

Answer:
no

Question:
Premise: A man stands on stage with a fireworks going off beside of him.

Hypothesis: The man is sitting on the stage.
Is the hypothesis true?

Answer:
no