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': 'Management of stage 2 pressure sore, clean ulcer without cellulitis is \nSelect and explain. \nA. Protective dressing, B. Moist dressing, C. Absorbent dressing, D. Topical antibiotics', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Answer- B. Moist dressing', 'role': 'assistant'}]