Premise & hypothesis.
A brown dog indoors, with a large pink toy.

A white dog is chewing on a bone.
++++++++++
true or not.
no

Premise & hypothesis.
A father and son take a break.

The father and son are working.
++++++++++
true or not.
no

Premise & hypothesis.
A softball player tries desperately to reach her base while the opponent tags her out.

A softball player races toward a base before being taged out at a softball game outside.
++++++++++
true or not.
it is not possible to tell