Premise & hypothesis.
A man is working the mechanism to fill a hot air balloon

A woman is emptying out the bag.
++++++++++
true or not.
no

Premise & hypothesis.
Students sitting in a lecture hall listening to a lecture.

Students are in a large classroom paying attention to a professor's discussion.
++++++++++
true or not.
yes

Premise & hypothesis.
A man climbing the side of a cliff and with another man at the base helping him.

Two men scaling a cliff.
++++++++++
true or not.
it is not possible to tell