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