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: Pathology
[{'content': "MOH's surgery is done for: \nSelect and explain. \nA. BCC., B. SCC., C. Melanoma., D. All of the above.", 'role': 'user'}, {'content': 'Answer: D \nExplanation: MOH surgery is done for skin cancer.', 'role': 'assistant'}]