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