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': 'All are split - thickness skin graft except \nSelect and explain. \nA. Thiersch graft, B. Padgett graft, C. Wolfe graft, D. Blair-Brown graft', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Wolfe graft is full thickness skin graft.', 'role': 'assistant'}]