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': 'Patient has lacerated untidy wound of the leg and attended the casualty after 2 hours. His wound should be - \nSelect and explain. \nA. Sutured immediately, B. Debrided and sutured immediately, C. Debrided and sutured secondarily, D. Cleaned and dressed', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]