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