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