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': 'Point B in the treatment of carcinoma cervix receives the following dose of: \nSelect and explain. \nA. 7000 cGy, B. 6000 cGy, C. 5000 cGy, D. 10,000 cGy', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Two important points in the radiotherapy of cancer cervix are', 'role': 'assistant'}]