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: Anaesthesia
[{'content': 'Afferent nerve fibre affected by local anesthesia first \nSelect and explain. \nA. Type A, B. Type Il - B, C. Type C, D. Type II', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C i.e. Type C', 'role': 'assistant'}]