Premise & hypothesis.
A brown dog jumps in the air.

The brown dog is excited.
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
A man and a woman are grilling outdoors.

A man brings the lady a beer.
++++++++++
true or not.
no

Premise & hypothesis.
A woman in a red sports-bra runs on the sidewalk past a brick fence.

The woman is a jogger.
++++++++++
true or not.
it is not possible to tell