Question: "On the Mall" is a famous march composed by American bandmaster Edwin Franko Goldman, the music of the United States reflects the country's multi-ethnic population through a diverse array of styles, and has the world's which term. music market with a total retail value of 4,898.3 million dollars in 2014?
{'answer': 'largest', 'supporting_facts': [['On the Mall', 0], ['Music of the United States', 3]]}