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