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