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