<prompt> Bhala ukuqhubeka kwalesi sigaba - Izindondo zokuqala zaseJamaica kuma-Olympics aseLondon 2012 zazisemdlalweni wokugcina wamamitha ayikhulu wabesifazane  <response>: ngoMgqibelo 4 Agasti. UShelly-Ann Fraser-Pryce waba ngowesifazane wesithathu emlandweni futhi waba ngowokuqala waseJamaica ukugcina isicoco se-100m njengoba anqoba ngo-10.75 noVeronica Campbell-Brown ewina indondo yakhe yesi-6 yama-Olympic njengoba ethatha ithusi. 