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