Question: The Battle of Kolubara, was fought between Austria-Hungary and Serbia in November and December 1914, during which campaign of World War I was fought from late July 1914, when Austria-Hungary invaded the Kingdom of Serbia at the outset of World War I, until the war's conclusion in November 1918?
Sentence (from "Battle of Kolubara"): On 2 December, the Serbian Army launched a surprise counter-attack all along the front.
Relevant evidence: No