Premise: A man in a blue shirt driving a Segway type vehicle .
Correct statement: We doubt that a man in blue jeans is driving down a street .
Incorrect statement: We believe that a man in blue jeans is driving down a street .
Correct statement: It is probably not the case that a very tall man is driving a vehicle
Incorrect statement: It is almost certain that a very tall man is driving a vehicle
Correct statement: It is certain that a man moves around without walking .
Incorrect statement: Chances are slight that a man moves around without walking .
Correct statement: It is probable that a gentlemen is outside with his Segway .
Incorrect statement: It is improbable that a gentlemen is outside with his Segway .
Correct statement: It is certain that someone wearing a shirt is driving .
Incorrect statement: It is highly unlikely that someone wearing a shirt is driving .