Premise: Several people watch a daredevil on a quad ride a wheelie down the street .
Correct statement: It is impossible that the crowd came to watch Kiki win the quad wheelie tournament along 5th street .
Incorrect statement: It is certain that the crowd came to watch Kiki win the quad wheelie tournament along 5th street .
Correct statement: Chances are about even that people watch a daredevil approach a ramp .
Incorrect statement: It is impossible that people watch a daredevil approach a ramp .
Correct statement: It is probably not the case that a man rides a quad down the street towards a small ramp
Incorrect statement: We believe that a man rides a quad down the street towards a small ramp
Correct statement: Chances are slight that several people watch a daredevil jump a quad .
Incorrect statement: There is a very good chance that several people watch a daredevil jump a quad .
Correct statement: It is impossible that the daredevil is doing a wheelie on one hand .
Incorrect statement: It is certain that the daredevil is doing a wheelie on one hand .