Question: Which attack took place during the Hundred Days Offensive:  Meuse-Argonne Offensive or Battle of Guam?
{'answer': 'Meuse-Argonne Offensive', 'supporting_facts': [['Meuse-Argonne Offensive', 0], ['Meuse-Argonne Offensive', 2], ['Meuse-Argonne Offensive', 3], ['Battle of Guam (1944)', 0]]}