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