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