Premise: A policeman rides his motorcycle while a truck displaying a very provocative ad is in front of him to the left .
Correct statement: It is impossible that the motorcycle is Japanese .
Incorrect statement: It is certain that the motorcycle is Japanese .
Correct statement: It is impossible that there are sedans .
Incorrect statement: Chances are about even that there are sedans .
Correct statement: It is impossible that a policeman is tracking down a criminal .
Incorrect statement: It is probably the case that a policeman is tracking down a criminal .
Correct statement: It is impossible that the cop wonders if the add is illegal
Incorrect statement: It is probable that the cop wonders if the add is illegal
Correct statement: It is likely that a policeman ridse his motorcycle and sees a provocotive ad .
Incorrect statement: It is unlikely that a policeman ridse his motorcycle and sees a provocotive ad .