    Sentence 1: The answer is clearly yes , " said  Dr. Larry Norton , deputy physician-in- chief  for breast cancer programs at Memorial  Sloan-Kettering Cancer Center .    Sentence 2: The answer is clearly yes , " said  Dr. Larry Norton , deputy physician-in-chief  for breast-cancer programs at Memorial  Sloan-Kettering Cancer Center in New York  City  $$$ $$    