Alan is high. Alan is huge. Dave is small. Dave is thin. Bob is nice. Harry is rough. Harry is bad. If someone is not strong then they are rough. If someone is not poor then they are smart. If someone is nice then they are quiet. If someone is quiet and not sad then they are wealthy. If someone is rough and not strong then they are dull. All dull people are short. If someone is small and thin then they are sad. If someone is sad and not quiet then they are bad. If someone is bad then they are young. If someone is smart then they are clever. All clever people are kind. All wealthy people are old. 
Harry is kind.