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': 'Pus in burns form in \nSelect and explain. \nA. 2-3 Days, B. 3-5 days, C. 2-3 weeks, D. 4 weeks', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Burn wound will almost inevitably be colonised by micro oraganism within 24-48 hrs.', 'role': 'assistant'}]