Question:
Premise: A man who appears to be the band leader is reading from a large white card which he is holding in his left hand, while facing persons holding tubas.

Hypothesis: People are playing tubas.
Is the hypothesis true?

Answer:
it is not possible to tell

Question:
Premise: A group of kids on a merry-go-round, playing at the park.

Hypothesis: A group of kids are swinging on the swing set in the park
Is the hypothesis true?

Answer:
no

Question:
Premise: Football players huddle and get ready for the game.

Hypothesis: The game is over
Is the hypothesis true?

Answer:
no