Premise & hypothesis.
A black dog splashes through the water.

A dog is in water.
++++++++++
true or not.
yes

Premise & hypothesis.
Native man fishing in a dugout canoe on a blue green bay.

A woman fishing.
++++++++++
true or not.
no

Premise & hypothesis.
Somebody is skiing down a mountain.

A snowboarder is walking up the mountainside
++++++++++
true or not.
no