Premise & hypothesis.
A person in a white helmet is skiing down a mountain covered in snow.

A man is skiing down a mountain.
++++++++++
true or not.
yes

Premise & hypothesis.
A man in a blue beanie and blue sweater is handing a woman in a brown jacket a plastic bag.

A tall person in a sweater
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
A woman in a white shirt prepares a large meal of hamburgers.

A woman is really hungry and likes hamburgers.
++++++++++
true or not.
it is not possible to tell