Question: Memorial Ossuary Cer, was built in the village Tekeriš on the mountain Cer, the remains of the killed Serbian soldiers after what, which was fought between Austria-Hungary and Serbia in August 1914 during the early stages of the Serbian Campaign of the First World War?
{'answer': 'Battle of Cer', 'supporting_facts': [['Memorial Ossuary on Cer', 1], ['Battle of Cer', 0]]}