Premise & hypothesis.
A woman in a tank and sunglasses climbs a sunny but snow-covered slope.

The children are going sledding.
++++++++++
true or not.
no

Premise & hypothesis.
A group of adults eats something while seated on very small patio furniture.

Adults are eating lunch.
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
Man kayaking in a raging river.

A man is on the river.
++++++++++
true or not.
yes