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