Premise & hypothesis.
A young boy is in the air after turning a trick on his bike on a pyramid ramp.

He is off the ground.
++++++++++
true or not.
yes

Premise & hypothesis.
The brown and black dog is jumping up to catch a red ball.

The dog is fetching the ball.
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
Three men and two women sitting at a dining table getting ready to eat.

A man surfs the internet at home.
++++++++++
true or not.
no