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': 'In case of burns which graft is better? \nSelect and explain. \nA. Thiersch graft, B. Wolfe graft, C. Pedicle graft, D. Patch graft', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Thiersch graft is split thickness graft used for burns.', 'role': 'assistant'}]