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: Social & Preventive Medicine
[{'content': 'Quaer of postnatal mother death is caused by ? \nSelect and explain. \nA. Infection, B. Bleeding, C. Eclampsia, D. Anemia', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is `b' i.e., Bleeding o 25% of maternal death are caused by severe bleeding, generally occuring post-paum.", 'role': 'assistant'}]