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