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