Premise: Rollerblades sliding on a railing .
Correct statement: It is highly likely that rollerblades are on a person sliding down a railing .
Incorrect statement: It is highly unlikely that rollerblades are on a person sliding down a railing .
Correct statement: There is a better than even chance that the rollerblades are black .
Incorrect statement: Chances are slight that the rollerblades are black .
Correct statement: It is highly likely that rollerblades are sliding on a railing during a trick .
Incorrect statement: It is unlikely that rollerblades are sliding on a railing during a trick .
Correct statement: It is highly likely that a person is rollerblading down a railing .
Incorrect statement: It is unlikely that a person is rollerblading down a railing .
Correct statement: It is impossible that black rollerblades
Incorrect statement: It is almost certain that black rollerblades