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': 'Who said: "Skin is the best dressing"? \nSelect and explain. \nA. Joseph Lister, B. John Hunter, C. James Paget, D. McNeill Love', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Joseph Lister", 'role': 'assistant'}]