Premise: A person jumping off a rock formation in the desert .
Correct statement: It is impossible that rock formations in rainforest
Incorrect statement: It is certain that rock formations in rainforest
Correct statement: There is a very good chance that a guy is playing on desert rocks .
Incorrect statement: There is little chance that a guy is playing on desert rocks .
Correct statement: There is a better than even chance that a person jumps near a cactus .
Incorrect statement: Chances are slight that a person jumps near a cactus .
Correct statement: It is impossible that a person is jumping into a pond .
Incorrect statement: We believe that a person is jumping into a pond .
Correct statement: It is impossible that a man is trying to kill himself .
Incorrect statement: It is certain that a man is trying to kill himself .