Gary is big. Gary is green. Gary is quiet. If someone is quiet then they are white. If Gary is nice and Gary is not smart then Gary is quiet. If someone is nice and smart then they are not green. If Gary is white then Gary is not young. If someone is not young then they are big. Nice, quiet people are green. Young, big people are not smart. If someone is quiet and not big then they are nice.
Gary is not nice.