Premise & hypothesis.
An African woman in a blue turban poses with an infant.

a woman is posing
++++++++++
true or not.
yes

Premise & hypothesis.
A male in a red hat playing with a chainsaw on fire and a green ball in his hand in front of a crowd.

The man is sawing down a tree.
++++++++++
true or not.
no

Premise & hypothesis.
The brown dog jumped the red obstacle.

The brown dog jumped and barked at the red obstacle.
++++++++++
true or not.
it is not possible to tell