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