Premise: The scuba diver is underwater .
Correct statement: It is highly unlikely that the diver is spearfishing .
Incorrect statement: It is almost certain that the diver is spearfishing .
Correct statement: It is impossible that the scuba diver is underwater exploring for treasure .
Incorrect statement: There is a very good chance that the scuba diver is underwater exploring for treasure .
Correct statement: There is a better than even chance that the scuba diver swims next to the fish .
Incorrect statement: Chances are slight that the scuba diver swims next to the fish .
Correct statement: It is probably the case that the water is clear .
Incorrect statement: It is probably not the case that the water is clear .
Correct statement: It is improbable that the scuba diver gives lessons .
Incorrect statement: It is almost certain that the scuba diver gives lessons .