Question: what type of party system is there in china
[{'answer': 'single party', 'provenance': [{'wikipedia_id': '23239', 'title': 'Politics of China', 'start_paragraph_id': 1, 'start_character': 107, 'end_paragraph_id': 1, 'end_character': 119, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]