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