Premise & hypothesis.
A cowboy is participating in the bull riding competition at a rodeo, with the two other people in the rodeo area with him, and three spectators.

There is a competition at a rodeo.
++++++++++
true or not.
yes

Premise & hypothesis.
A dog is perched up against a tree looking at the top.

A puppy is looking at a cat.
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
A woman in a red jacket is leaning on a baby stroller while talking with another woman at a train station.

woman leans on stroller
++++++++++
true or not.
yes