Premise & hypothesis.
Two men are participating in a karate match.

Two men enjoy doing karate.
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
A man on team USA jumps in an attempt to perform a slam dunk.

A man tries to make the winning shot in a basketball game.
++++++++++
true or not.
it is not possible to tell

Premise & hypothesis.
A man laying on a sidewalk with another man trying to help him.

Two men talk while lying on the sidewalk.
++++++++++
true or not.
no