Premise: A group of men are practicing martial arts on a green mat .
Correct statement: There is almost no chance that a group of men practice their chokeholds for martial arts .
Incorrect statement: Chances are about even that a group of men practice their chokeholds for martial arts .
Correct statement: Chances are about even that everyone wears a white gi .
Incorrect statement: There is almost no chance that everyone wears a white gi .
Correct statement: It is improbable that the men are taking karate classes .
Incorrect statement: It is probable that the men are taking karate classes .
Correct statement: We doubt that a group of men are practicing quietly .
Incorrect statement: There is a very good chance that a group of men are practicing quietly .
Correct statement: It is probable that two young men are practicing specific martial arts moves on each other .
Incorrect statement: It is improbable that two young men are practicing specific martial arts moves on each other .