<prompt> Bhala ukuqhubeka kwalesi sigaba - Emidlalweni yama-Olimpiki yasehlobo ka-2012, wabeka isikhathi sakhe esisha esingcono kakhulu esingu-12.90 yize engazange athuthukele kuma-quarterfinals emidlalweni yabesifazane engu-100m  <response>: umcimbi. 