<prompt> Pedzisa mutsara unotevera:  <response>: 50m freestyle yevakadzi kumaOlympics eLondon 2012, achipedza nenguva yemasekondi 33.81, inova ndiyo nguva yake yakanakisa mushure mekutyora rekodhi yake yapfuura yemasekondi 33.98. 