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: Surgery
[{'content': 'In Bismuth/ Strasberg classification system cystic blow out is classified as: \nSelect and explain. \nA. Type A, B. Type B, C. Type C, D. Type D', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]