Charlie is strong. Charlie is big. Alan is thin. Alan is small. Gary is clever. Harry is sad. Harry is rough. If someone is not huge then they are sad. If someone is not dull then they are kind. If someone is clever then they are wealthy. If someone is wealthy and not bad then they are smart. If someone is sad and not huge then they are poor. All poor people are short. If someone is thin and small then they are bad. If someone is bad and not wealthy then they are rough. If someone is rough then they are young. If someone is kind then they are nice. All nice people are quiet. All smart people are experienced. 
Alan is not young.