<prompt> Nyorai mberi kwechikamu chino - Akakwikwidza mumakwikwi evakadzi emamita 50 akasununguka  <response>: pamitambo yeOlympic yeZhizha ya2012 muLondon, achipedza nenguva yemasekonzi 29.28 ari pachinzvimbo chechi53 mumakwikwi okutanga. 