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