Alan is strong. Alan is big. Anne is small. Anne is little. Dave is clever. Bob is dull. Bob is poor. If someone is not huge then they are dull. If someone is not sad then they are quiet. If someone is clever then they are kind. If someone is kind and not rough then they are nice. If someone is dull and not huge then they are bad. If someone is bad then they are thin. All thin people are short. If someone is small and little then they are rough. If someone is rough and not kind then they are poor. If someone is poor then they are young. If someone is young then they are energetic. If someone is quiet then they are wealthy. If someone is wealthy then they are smart. All smart people are kind. If someone is nice then they are experienced. All experienced people are old.
Dave is not old.