Premise & hypothesis.
A baby boy is entertaining himself by chewing on his Elmo chair.

A boy is in a chair.
++++++++++
true or not.
yes

Premise & hypothesis.
A bald man is attempting to slam dunk a basketball in a game while people in the stands watch.

Michael Jordan shows he still got it when he slam dunks for an exhibition game.
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
A little boy holding a yellow, plastic shovel, crouches in the sand.

A little boy is holding a shovel and crouches in the sand.
++++++++++
true or not.
yes