Fiona is high. Fiona is strong. Harry is short. Harry is small. Alan is wealthy. Gary is rough. Gary is poor. If someone is not big then they are rough. If someone is not bad then they are nice. If someone is wealthy then they are kind. If someone is kind and not dull then they are smart. If someone is rough and not big then they are sad. If someone is short and small then they are dull. If someone is dull and not kind then they are poor. All nice people are quiet. 
Alan is not smart.