Premise: Martial arts students sit on the floor or stand in the background while watching a matchup between two people .
Correct statement: There is a better than even chance that there is a competition going on in a dojo .
Incorrect statement: There is almost no chance that there is a competition going on in a dojo .
Correct statement: It is probably not the case that martial arts students carefully observe the masterful fight .
Incorrect statement: It is probable that martial arts students carefully observe the masterful fight .
Correct statement: Chances are about even that the martial arts students are at a tournament .
Incorrect statement: It is certain that the martial arts students are at a tournament .
Correct statement: There is a better than even chance that the students are excited .
Incorrect statement: There is little chance that the students are excited .
Correct statement: It is probably the case that karate students are watching two classmates in a match .
Incorrect statement: It is impossible that karate students are watching two classmates in a match .