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: Medicine
[{'content': 'Best way to treat street wounds - \nSelect and explain. \nA. Immediate suturing, B. Cleaning with saline and debridement, C. Oral antibiotics, D. Leave it alone', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]