Premise: A worker walking down the street .
Correct statement: There is almost no chance that a man is walking as a form of exercise
Incorrect statement: It is probable that a man is walking as a form of exercise
Correct statement: Chances are slight that a construction worker walking down the street .
Incorrect statement: It is probably the case that a construction worker walking down the street .
Correct statement: There is almost no chance that a worker is whistling while he walks .
Incorrect statement: It is certain that a worker is whistling while he walks .
Correct statement: It is impossible that a worker walking down the street while humming .
Incorrect statement: It is certain that a worker walking down the street while humming .
Correct statement: It is probably not the case that the worker is about to go home .
Incorrect statement: It is certain that the worker is about to go home .