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