Premise & hypothesis.
There is someone riding that horse.

The horse is running.
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
A brown dog is running on grass.

A dog is chasing a squirrel.
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
Two boys are getting help on a computer from a teacher.

two boys are on the computer doing classwork
++++++++++
true or not.
it is not possible to tell