<prompt> Nyorai mberi kwechikamu chino - De Silva aizopiwa menduru yebronze ye4 × 100 metres relay kumaOlympics ezhizha ra2008  <response>: zvichitevera kudzikiswa kwechikwata cheJamaican muna 2017 nekuda kwekutadza kwaNesta Carter kuongorora doping. 