Premise & hypothesis.
One biker wearing a black helmet riding on a dirt hill.

A biker rides on the dirt hill while wearing a black helmet.
++++++++++
true or not.
yes

Premise & hypothesis.
A woman in a hat walks away from a small ice cream vendor car.

There is a small ice cream vendor car.
++++++++++
true or not.
yes

Premise & hypothesis.
A boy in a black wrestling uniform is wrestling with his opponent who is wearing a gold wrestling uniform.

A boy in a black wrestling uniform is wrestling a gold-uniformed boy
++++++++++
true or not.
yes