Question: The Irish Free State, (6 December 1922 - December 1937) was a state established in 1922 under the Anglo-Irish Treaty of December 1921, the treaty ended the three-year Irish War of Independence between the forces of which self-proclaimed revolutionary state that declared its independence from the United Kingdom of Great Britain and Ireland?
{'answer': 'Irish Republic', 'supporting_facts': [['Irish Free State', 1], ['Irish Republic', 0]]}