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