Premise: Man sitting on milk crate plays guitar on sidewalk .
Correct statement: It is probable that the man is good at guitar .
Incorrect statement: It is highly unlikely that the man is good at guitar .
Correct statement: It is certain that the man is playing a song .
Incorrect statement: Chances are slight that the man is playing a song .
Correct statement: We believe that the man is sitting on a large milk crate .
Incorrect statement: It is probably not the case that the man is sitting on a large milk crate .
Correct statement: It is highly likely that the man is playing guitar for change .
Incorrect statement: Chances are slight that the man is playing guitar for change .
Correct statement: It is highly likely that the man plays guitar on the sidewalk for extra cash .
Incorrect statement: Chances are slight that the man plays guitar on the sidewalk for extra cash .