Premise: A man with a guitar is at a microphone while the drummer seems to be resting and the other guitarist has his back to him .
Correct statement: There is a very good chance that the man is at a rock concert .
Incorrect statement: We doubt that the man is at a rock concert .
Correct statement: It is certain that the band are about to play a set .
Incorrect statement: It is unlikely that the band are about to play a set .
Correct statement: It is impossible that a group of friends are rehearsing for their prom concert .
Incorrect statement: Chances are about even that a group of friends are rehearsing for their prom concert .
Correct statement: There is a very good chance that the man is an expert .
Incorrect statement: It is highly unlikely that the man is an expert .
Correct statement: Chances are about even that they are taking a 5 minute break
Incorrect statement: It is almost certain that they are taking a 5 minute break