sentence: 왓킨스, S. 크레이그 Hip Hop Matters: Politics, Pop Culture, and the Struggle for the Struggle for the Soul of a Movement. Beacon Press, 2005. ISBN 0-8070-0982-2.
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object_entity: {'word': 'Hip Hop Matters: Politics, Pop Culture, and the Struggle for the Struggle for the Soul of a Movement', 'start_idx': 13, 'end_idx': 112, 'type': 'POH'}