Premise & hypothesis.
A blond lady wearing a brown coat working on a computer.

A blond man wearing a brown coat working on a computer.
++++++++++
true or not.
no

Premise & hypothesis.
Two look-alike dogs running in the green grass.

The dogs are chasing a cat.
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
Professionally dressed man sits in front of console.

The professionally dressed man is working.
++++++++++
true or not.
it is not possible to tell