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