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: Gynaecology & Obstetrics
[{'content': "According to Shaw's classification, Ill degree is : \nSelect and explain. \nA. Cx above introtius, B. Cx at the level of introtius, C. Cx outside the introtius, D. Procidentia", 'role': 'user'}, {'content': 'Answer: C \nExplanation: Cx outside the introtius', 'role': 'assistant'}]