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': 'Epiphora seen in all except: \nSelect and explain. \nA. Lefort 2, B. Zygomatic complex fracture., C. Lefort 3, D. Nasal complex fracture.', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]