This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Tumors, Subject name: ENT
[{'content': 'CA maxilla stage III(T3NoMo), treatment of choice is : \nSelect and explain. \nA. Radiotherapy, B. Surgery + Radiotherapy, C. Chemotherapy, D. Chemotherapy + Surgery', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e. Surgery + Radiotherapy", 'role': 'assistant'}]