Bob is strong. Bob is high. Harry is little. Harry is thin. Dave is wealthy. 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 wealthy then they are kind. If someone is kind and not rough then they are quiet. If someone is poor and not big then they are bad. If someone is little and thin then they are rough. If someone is rough and not kind then they are dull. All smart people are nice. 
Dave is not quiet.