This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Unknown
[{'content': 'Bishop scoring of more than indicates labour has begun: \nSelect and explain. \nA. 3, B. 5, C. 6, D. 7', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Bishop’s preinduction cervical scoring system:', 'role': 'assistant'}]