Premise & hypothesis.
Snowboarder getting some air in the mountains.

A snowboarder is outside.
++++++++++
true or not.
yes

Premise & hypothesis.
Two men are making an announcement on a balcony.

The men are a gay couple.
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
A snowboarder grabs his board while midair.

There are people watching the snowboarder.
++++++++++
true or not.
it is not possible to tell