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