Alan is high. Alan is huge. Erin is little. Erin is small. Gary is wealthy. Harry is bad. Harry is rough. If someone is not strong then they are bad. If someone is not poor then they are smart. If someone is wealthy then they are kind. If someone is kind and not sad then they are nice. If someone is bad and not strong then they are dull. If someone is little and small then they are sad. If someone is sad and not kind then they are rough. All smart people are quiet. 
Alan is not dull.