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