Premise: Boy in red vest and blue and white trunks on wakeboard .
Correct statement: It is highly likely that the boy is having fun .
Incorrect statement: It is improbable that the boy is having fun .
Correct statement: It is likely that a boy on a wakeboard in a lake .
Incorrect statement: Chances are slight that a boy on a wakeboard in a lake .
Correct statement: We doubt that the wakeboard that the boy is on is red .
Incorrect statement: It is probable that the wakeboard that the boy is on is red .
Correct statement: There is almost no chance that a boy rides a wakeboard for the first time .
Incorrect statement: It is certain that a boy rides a wakeboard for the first time .
Correct statement: It is probably the case that a boy is being pulled behind a boat .
Incorrect statement: It is impossible that a boy is being pulled behind a boat .