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