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': 'The most common cause of acute sciatica is due to \nSelect and explain. \nA. Trauma, B. Secondaries of spine, C. Acute prolapsed Interveebral disc, D. Tuberculosis of spine', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C i.e. Acute prolapsed disc', 'role': 'assistant'}]