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': 'True regarding Wolfes graft is \nSelect and explain. \nA. Uptake of graft is easy, B. Donor site left open to granulate and contract, C. Large grafts could be taken, D. Not useful for cosmetic surgeries', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Wolfes graft is full thickness skin graft. In this donor site will\xa0have to be closed primarily or left open to granulate and contract.', 'role': 'assistant'}]