Premise & hypothesis.
A gymnast performs on a bar.

A player practicing to bowl
++++++++++
true or not.
no

Premise & hypothesis.
A clown wearing a cowboy hat and a microphone smiles.

A clown is wearing clothes and smiles.
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
The basketball player in the white strip is dribbling the ball on the court.

Players are playing a basketball game.
++++++++++
true or not.
it is not possible to tell