Gary is big. Gary is green. Gary is nice. Gary is quiet. Gary is rough. Gary is white. Gary is young. If Gary is nice and Gary is young then Gary is big. All green, young people are white. Young people are white. All big, quiet people are young. If Gary is big then Gary is young. If Gary is big then Gary is white. Rough people are young. All young, rough people are green.
Gary is not quiet.