Premise: A man is sitting on a chair with a jacket hung over the back , next to a tuba , with sheet music in front of him .
Correct statement: It is impossible that a tuba player takes a break .
Incorrect statement: It is probably the case that a tuba player takes a break .
Correct statement: It is certain that a man is sitting on a chair with a jacket hung over the back
Incorrect statement: Chances are about even that a man is sitting on a chair with a jacket hung over the back
Correct statement: We believe that the man is in the band .
Incorrect statement: It is probably not the case that the man is in the band .
Correct statement: It is highly likely that the man is a muscian
Incorrect statement: There is little chance that the man is a muscian
Correct statement: There is a very good chance that a man who is getting ready to play a tuba .
Incorrect statement: Chances are slight that a man who is getting ready to play a tuba .