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