Premise & hypothesis.
Several children sit on a carnival ride in front of the face of a clown and several fake balloons.

There are people sitting on a ride.
++++++++++
true or not.
yes

Premise & hypothesis.
A man showing his acrobatic skill with a monoboard being towed behind a boat on a lake.

The man is wearing a life jacket.
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
A child in a green hat swings on monkey bars at a blue playground.

The child is reading in class.
++++++++++
true or not.
no