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