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