This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Oral Cavity, Subject name: Surgery
[{'content': 'Lower lip carcinoma<lcm treatment- \nSelect and explain. \nA. Radiation, B. Chemotherapy, C. Excision, D. Radiation and chemotherapy', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Excision", 'role': 'assistant'}]