Premise & hypothesis.
A white-bearded vendor sells beads by the archway.

A vendor is selling beads.
++++++++++
true or not.
yes

Premise & hypothesis.
A person in a green outfit and helmet is swinging a baseball bat at a tennis ball in front of a fence.

The ball soared into the air and over the fence.
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
One bear has fur that sticks up on its back resembling a mohawk.

The bears are lying on their backs.
++++++++++
true or not.
no