Premise & hypothesis.
A very excited man on top of a mountain jumping into the air.

The man is sitting at home.
++++++++++
true or not.
no

Premise & hypothesis.
A smartly dressed couple raise their hands.

They are volunteering to give a speech.
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
A person is being pulled by watercraft across the gleaming water.

A person rides in a watercraft across the lake.
++++++++++
true or not.
no