Premise: An older gentleman cleaning a bicycle rim .
Correct statement: It is probably not the case that a man works on a bike for his grandson
Incorrect statement: It is probable that a man works on a bike for his grandson
Correct statement: There is a better than even chance that an old man cleans a bike rim in his garage
Incorrect statement: It is improbable that an old man cleans a bike rim in his garage
Correct statement: It is highly unlikely that a man cleans his son 's bike rim .
Incorrect statement: There is a better than even chance that a man cleans his son 's bike rim .
Correct statement: It is highly unlikely that a man cleans a bicycle to prepare it for sale .
Incorrect statement: It is probably the case that a man cleans a bicycle to prepare it for sale .
Correct statement: It is impossible that an older gentlemen is cleaning the trash .
Incorrect statement: It is highly likely that an older gentlemen is cleaning the trash .