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