Gary is huge. Gary is big. Charlie is small. Charlie is tiny. Anne is quiet. Harry is dull. Harry is sad. If someone is not high then they are dull. If someone is not bad then they are clever. If someone is quiet then they are kind. If someone is kind and not rough then they are nice. If someone is dull and not high then they are poor. All poor people are thin. If someone is small and tiny then they are rough. If someone is rough and not kind then they are sad. If someone is sad then they are young. If someone is clever then they are wealthy. All wealthy people are smart. All nice people are experienced. 
Harry is not smart.