Question: what type of economic system was utilized in the soviet union
[{'answer': 'communism', 'provenance': [{'wikipedia_id': '41585753', 'title': 'Economy of the Soviet Union', 'start_paragraph_id': 2, 'start_character': 445, 'end_paragraph_id': 2, 'end_character': 454, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'state ownership', 'provenance': [{'wikipedia_id': '41585753', 'title': 'Economy of the Soviet Union', 'start_paragraph_id': 1, 'start_character': 83, 'end_paragraph_id': 1, 'end_character': 98, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '41585753', 'title': 'Economy of the Soviet Union', 'start_paragraph_id': 47, 'start_character': 0, 'end_paragraph_id': 47, 'end_character': 568, 'bleu_score': 0.9754554449993441, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 872977763560164081}, 'section': 'Section::::History.:New Economic Policy (1921–1929).\n'}]}, {'provenance': [{'wikipedia_id': '41585753', 'title': 'Economy of the Soviet Union', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 384, 'bleu_score': 0.830149500428724, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 872977763560164081}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '41585753', 'title': 'Economy of the Soviet Union', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['The economy of the Union of Soviet Socialist Republics () was based on a system of state ownership of the means of production, collective farming, industrial manufacturing and centralized administrative planning. The economy was characterised by state control of investment, public ownership of industrial assets, macroeconomic stability, negligible unemployment and high job security.\rhighlight sentence(s) containing evidence, not only the answer', 'The economy of the Union of Soviet Socialist Republics () was based on a system of state ownership of the means of production, collective farming, industrial manufacturing and centralized administrative planning. The economy was characterised by state control of investment, public ownership of industrial assets, macroeconomic stability, negligible unemployment and high job security.\rhighlight sentence(s) containing evidence, not only the answer', 'The economy was characterised by state control of investment, public ownership of industrial assets, macroeconomic stability, negligible unemployment and high job security.']}}]}, {'provenance': [{'wikipedia_id': '41585753', 'title': 'Economy of the Soviet Union', 'section': 'Section::::Planning.:Drafting the five-year plans.:Gosplan.\n', 'start_paragraph_id': 21, 'end_paragraph_id': 21, 'meta': {'evidence_span': ["The state planning agency was subdivided into its own industrial departments, such as coal, iron and machine building. It also had summary departments such as finance, dealing with issues that crossed functional boundaries. With the exception of a brief experiment with regional planning during the Khrushchev era in the 1950s, Soviet planning was done on a sectoral basis rather than on a regional basis. The departments of the state planning agency aided the agency's development of a full set of plan targets along with input requirements, a process involving bargaining between the ministries and their superiors. Economic ministries performed key roles in the Soviet organizational structure. When the planning goals had been established by Gosplan, economic ministries drafted plans within their jurisdictions and disseminated planning data to the subordinate enterprises. The planning data were sent downward through the planning hierarchy for progressively more detailed elaboration. The ministry received its control targets, which were then disaggregated by branches within the ministry, then by lower units, eventually until each enterprise received its own control figures (production targets).", "The state planning agency was subdivided into its own industrial departments, such as coal, iron and machine building. It also had summary departments such as finance, dealing with issues that crossed functional boundaries. With the exception of a brief experiment with regional planning during the Khrushchev era in the 1950s, Soviet planning was done on a sectoral basis rather than on a regional basis. The departments of the state planning agency aided the agency's development of a full set of plan targets along with input requirements, a process involving bargaining between the ministries and their superiors. Economic ministries performed key roles in the Soviet organizational structure. When the planning goals had been established by Gosplan, economic ministries drafted plans within their jurisdictions and disseminated planning data to the subordinate enterprises. The planning data were sent downward through the planning hierarchy for progressively more detailed elaboration. The ministry received its control targets, which were then disaggregated by branches within the ministry, then by lower units, eventually until each enterprise received its own control figures (production targets).\rhighlight sentence(s) containing evidence, not only the answer"]}}]}]