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