<prompt> Pedzisa mutsara unotevera: Ms. Bartoletta akahwina menduru yegoridhe kumaOlympics a2012 muLondon mu  <response>: 4x100 relay yevakadzi. Akamhanyira mujaho wokupedzisira, umo chikwata cheU.S. chakaisa chinyorwa chenyika. Akakwikwidzawo mumakwikwi evanhu 100 metres. Akasvika kumagumo, achipedza wechina nenguva yake yakanakisisa ye10.85. 