<prompt> Bhala okuqhubekayo kwalesi sigaba - UCampbell wayeyilungu leqembu lase-Australia elazuza indondo yegolide emidlalweni yama-Olympic ehlobo ka-2012 eLondon emidlalweni yama-Olympic engu-4 × 100 metres. Emncintiswaneni wabesifazane wamamitha angu-50 wesimo samahhala  <response>: yena nodadewabo uBronte babhukuda endaweni efanayo, baqeda endaweni yesithathu neyesibili ngokulandelana, futhi bafanelekela i-semi-final endaweni yeshumi neyesishiyagalolunye ngokulandelana. 