Alan is strong. Alan is huge. Dave is short. Dave is small. Anne is nice. Erin is rough. Erin is bad. If someone is not high then they are rough. If someone is not poor then they are wealthy. If someone is nice then they are kind. If someone is kind and not sad then they are smart. If someone is rough and not high then they are dull. All dull people are little. If someone is short and small then they are sad. If someone is sad and not kind then they are bad. If someone is bad then they are young. If someone is wealthy then they are clever. All clever people are quiet. All smart people are experienced. 
Erin is not quiet.