Premise: Man sweeping the street outside .
Correct statement: It is probable that a person is cleaning the area near his home .
Incorrect statement: It is improbable that a person is cleaning the area near his home .
Correct statement: It is certain that a man is outside .
Incorrect statement: Chances are about even that a man is outside .
Correct statement: It is probably not the case that there is a man with a jacket outdoors .
Incorrect statement: It is certain that there is a man with a jacket outdoors .
Correct statement: We believe that a man sweeps the road .
Incorrect statement: It is impossible that a man sweeps the road .
Correct statement: It is almost certain that the man is using a broom .
Incorrect statement: It is unlikely that the man is using a broom .