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