Premise: A boy does a cartwheel on a rock cliff .
Correct statement: Chances are about even that a boy is near a cliff .
Incorrect statement: It is almost certain that a boy is near a cliff .
Correct statement: It is impossible that a boy hurts himself .
Incorrect statement: There is a very good chance that a boy hurts himself .
Correct statement: It is impossible that the boy is training for sports near the cliff .
Incorrect statement: There is a very good chance that the boy is training for sports near the cliff .
Correct statement: There is a better than even chance that a boy is doing a cartwheel in front of a crowd of people .
Incorrect statement: It is improbable that a boy is doing a cartwheel in front of a crowd of people .
Correct statement: It is likely that the boy is brave .
Incorrect statement: There is little chance that the boy is brave .