<prompt> Feleletša polelo e latelago: Go be go naganwa gore go fenywa ga Serbia go be go le kgaufsi, bonyenyane ke babogedi ba ka ntle, ge go bapetšwa le matla a Austria-Hungary. Lega go le bjalo, go molaleng gore Serbia e be e itokišeditše gabotse, gomme ka morago ga lelokelelo la dintwa ka 1914-1915 Ntwa ya Cer,  <response>: Ntweng ya Kolubara, go lahlegelwa le go thopša gape ga Belgrade, le tlhaselo ya go lwantšha ya Serbia ka go thopa mafelo a mangwe a Austria ka Syrmia le Bohlabela bja Bosnia, madira a Austria a ile a boela morago. Ka July 5, 1914, dilo di ile tša fetoga ge Kgoši Peter I yo a tšofetšego a be a tlogela mediro ya gagwe go mojabohwa Alexander, a mo dira mmušiši wa gagwe. 