<prompt> Pedzisa mutsara unotevera: Mukutanga kwaDecember, Royal Serbian Army yakatanga kurwisa kwakasimba, ichikunda zvine mutsindo maAustro-Hungarians pa  <response>: Hondo yeKolubara uye kutorazve Belgrade zuva rimwe pashure pokunge hurumende itsva yechiuto yaGeneral Sarkotic yagadzwa. Pakazosvika 15 Zvita, Royal Serbian Army yakanga yatora Semlin, yapfuura muganhu ichitevera maAustria-Hungary, 