Premise & hypothesis.
Two dogs leap through snowy grass and rocks.

Two dogs love leaping through snowy grass and rocks.
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
A man in a black sweatshirt plays a guitar.

The guy in black is playing the guitar
++++++++++
true or not.
yes

Premise & hypothesis.
Four workers in their green uniforms on horseback all in stationary positions next to a white van.

People are on horses are standing close to a van.
++++++++++
true or not.
yes