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