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': 'A young patient is diagnosed to have choriocarcinoma the treatment of choice is : \nSelect and explain. \nA. Hysterectomy, B. Chemotherapy, C. Chemotherapy followed by hysterectomy, D. Hysterectomy followed by chemotherapy', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Chemotherapy', 'role': 'assistant'}]