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