Premise: A graffiti artist paints over a poster on a brick wall .
Correct statement: It is impossible that an artist is covering up some bad words on a brick wall .
Incorrect statement: There is a better than even chance that an artist is covering up some bad words on a brick wall .
Correct statement: It is likely that a graffiti artist is illegally paining over a poster on a building .
Incorrect statement: Chances are slight that a graffiti artist is illegally paining over a poster on a building .
Correct statement: It is impossible that a graffiti artist paints a poster to try and win a contest .
Incorrect statement: It is highly likely that a graffiti artist paints a poster to try and win a contest .
Correct statement: It is impossible that an artist was hired to paint over a poster .
Incorrect statement: It is probably the case that an artist was hired to paint over a poster .
Correct statement: It is probably not the case that a woman spraypaints over an advertisement .
Incorrect statement: We believe that a woman spraypaints over an advertisement .