Premise & hypothesis.
A man in a blue hat has his foot on the front bumper of a van.

The man is fixing his van's bumper
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
A yellow dog running through a yard covered in leaves while holding a yellow toy in his mouth.

dog brings toy back to owner
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
A woman in a blue winter coat and a person in a black winter vest are crossing the street when the "Do n't Walk" sign is lit.

The couple are sitting in the theater watching a movie
++++++++++
true or not.
no