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