Premise & hypothesis.
A boy stands on a rocky mountain.

a boy is outside
++++++++++
true or not.
yes

Premise & hypothesis.
A male cooking some type of meat on the street.

A cook in white cook's clothes cooks burgers.
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
A brown dog holding an object in its mouth is moving through snow-covered tall grass outdoors.

The brown dog is holding a stick in it's mouth.
++++++++++
true or not.
yes