Bisset was under strict instructions from Sir Percy Bates, who was also aboard the trials, that all that was required from the ship was two measured runs of no more than thirty knots and that she was not permitted to attempt to attain a higher speed record than Queen Mary. After her trials Queen Elizabeth finally entered Cunard White Star's two ship weekly service to New York. Despite similar specifications to _her_ older sister Queen Mary, Elizabeth never held the Blue Riband, as Cunard White Star chairman Sir Percy Bates requested that the two ships not try to compete against one another. <sep>, Pronoun: her <sep>, A: Queen Mary <sep>, B: Elizabeth