<prompt> Pedzisa mutsara unotevera: Muna 2011 Benson, aine makore 17, akasarudzwa nokuda kwe  <response>: 2011 European Junior Swimming Championships muBelgrade, kwaakakunda menduru yesirivha mumamita zana, aive wechina mumamita makumi mashanu, uyezve nhengo yechina-nzvimbo 4x100-metre medley relay. 