Question: what were the two opposing sides in china's civil war
[{'answer': 'Republic of China', 'provenance': [{'wikipedia_id': '54422', 'title': 'Chinese Civil War', 'start_paragraph_id': 1, 'start_character': 105, 'end_paragraph_id': 1, 'end_character': 122, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Communist Party of China', 'provenance': [{'wikipedia_id': '54422', 'title': 'Chinese Civil War', 'start_paragraph_id': 1, 'start_character': 131, 'end_paragraph_id': 1, 'end_character': 155, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '54422', 'title': 'Chinese Civil War', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 1084, 'bleu_score': 0.6441638655856331, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9689348970595138335}, 'section': 'Section::::Abstract.'}]}]