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