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