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