Alan is strong. Alan is high. Gary is little. Gary is short. Charlie is smart. Dave is bad. Dave is dull. If someone is not big then they are bad. If someone is not sad then they are nice. If someone is smart then they are wealthy. If someone is wealthy and not rough then they are quiet. If someone is bad and not big then they are poor. If someone is little and short then they are rough. If someone is rough and not wealthy then they are dull. All nice people are kind. 
Gary is dull.