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