Premise & hypothesis.
A small, white dog with his tongue out is jumping up to catch a toy.

A dog is jumping up.
++++++++++
true or not.
yes

Premise & hypothesis.
A man with glasses and a tootsie pop, browsing through pictures on his digital camera.

the man is a photographer
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
Two men near a lake with fishing poles out into the lake.

Two men are fishing.
++++++++++
true or not.
yes