Premise & hypothesis.
A red race car leaves smoke behind.

A car sits idly in a garage.
++++++++++
true or not.
no

Premise & hypothesis.
A black Labrador retriever in a grassy field returns with a white nubby cylinder in its mouth.

A dog retrieves his favorite toy.
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
A white dog with brown spots is running in a yard, chasing a ball.

A dog fetching a ball to give back to the boy.
++++++++++
true or not.
it is not possible to tell