Premise & hypothesis.
Man in white shirt tossing Frisbee for black and white dog who has a white Frisbee in its mouth.

The frisbee is black.
++++++++++
true or not.
no

Premise & hypothesis.
A man and three boys working in the fields with their bulls and cows.

The three boys are the man's sons.
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
Soldier sitting on top of Jeep holding a machine gun and soldier sitting inside.

The soldiers are unarmed.
++++++++++
true or not.
no