Premise: A martial arts student attempts to deliver a kick to his sparring partner as fellow students look on .
Correct statement: There is a very good chance that young students sparring .
Incorrect statement: It is improbable that young students sparring .
Correct statement: Chances are about even that the students are fighting to earn a belt .
Incorrect statement: It is highly unlikely that the students are fighting to earn a belt .
Correct statement: It is certain that the student has two legs .
Incorrect statement: We doubt that the student has two legs .
Correct statement: Chances are about even that two rivals compete for the adoration of their classmates .
Incorrect statement: It is impossible that two rivals compete for the adoration of their classmates .
Correct statement: Chances are about even that some of the students are black belt martial art students .
Incorrect statement: There is almost no chance that some of the students are black belt martial art students .