<prompt> Qedela umusho olandelayo: UCampbell wayeyilungu leqembu lase-Australia elawina indondo yegolide emncintiswaneni wokugijima ngamamitha angu - 4 × 100 emidlalweni yama - Olympic aseLondon ngo - 2012. Ezindaweni  <response>: Abesifazane ababhukuda ngamamitha angama-50 bebhukuda bodwa, bagcina endaweni yesithathu neyesibili, futhi bafinyelela kuma-semi-final endaweni yeshumi nesishiyagalolunye ngokulandelana. 