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