Which of the following is the  clearestand  most effective  sentence?                 a.  john is a man with a sister who is attractive, and they both went to a party together.      b.  the sister of john was attractive more than others who attended a party.      c.  john's sister was the prettiest girl at the party.      d.  the party included attractive females of all ages, and one was a sibling of a man known as john.