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