<prompt> Qedela umusho olandelayo: Emidlalweni yama-Olympic asehlobo ka-1920 e-Antwerp, u-Imbach wamelela iSwitzerland emjahweni wokugijima wamamitha angu-100 no-200  <response>: 4 × 100 m relay, kodwa akazange afaneleke emdlalweni wokugcina kunoma iyiphi yalezi zenzakalo. 