Premise: a young man wearing a white helmet climbing up a rock wall
Correct statement: It is probable that this man is athletic and daring .
Incorrect statement: It is unlikely that this man is athletic and daring .
Correct statement: Chances are slight that a man climbs up a rock wall for the first time .
Incorrect statement: It is probable that a man climbs up a rock wall for the first time .
Correct statement: It is probably the case that a young man is climbing a rock wall to prepare for a rock climbing trip .
Incorrect statement: There is almost no chance that a young man is climbing a rock wall to prepare for a rock climbing trip .
Correct statement: There is almost no chance that the young man is climbing a 20 ft. rock wall .
Incorrect statement: It is highly likely that the young man is climbing a 20 ft. rock wall .
Correct statement: It is impossible that a young man is climbing a rock wall on a cruise ship
Incorrect statement: It is certain that a young man is climbing a rock wall on a cruise ship