Premise: Two hockey players stand and compete for the puck while a goalie crouches in front of the net .
Correct statement: It is impossible that the players are professionals
Incorrect statement: It is certain that the players are professionals
Correct statement: It is impossible that two NHL players compete for a puck .
Incorrect statement: It is probable that two NHL players compete for a puck .
Correct statement: Chances are about even that the goalie is about to surrender a goal .
Incorrect statement: There is almost no chance that the goalie is about to surrender a goal .
Correct statement: It is improbable that some female athletes are competing in a hockey game .
Incorrect statement: We believe that some female athletes are competing in a hockey game .
Correct statement: It is probably the case that some men are playing a game
Incorrect statement: It is unlikely that some men are playing a game