Question: following the russian revolution the soviet union adopted a system that
[{'answer': 'communism', 'provenance': [{'wikipedia_id': '84329', 'title': 'History of Soviet Russia and the Soviet Union (1917–27)', 'start_paragraph_id': 28, 'start_character': 59, 'end_paragraph_id': 28, 'end_character': 68, 'bleu_score': 1.0, 'section': 'Section::::War Communism.\n'}]}, {'provenance': [{'wikipedia_id': '84329', 'title': 'History of Soviet Russia and the Soviet Union (1917–27)', 'start_paragraph_id': 28, 'start_character': 0, 'end_paragraph_id': 28, 'end_character': 605, 'bleu_score': 0.943950247594541, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5818546473395554319}, 'section': 'Section::::War Communism.\n'}]}]