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 the contractive of graft is \nSelect and explain. \nA. Thicker the graft more the secondary contracture, B. Thinner the graft more the primary contracture, C. Thicker the graft more is primary and secondary contracture, D. Thinner the graft more the secondary contracture', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Thicker the graft more the primary contracture. Thinner the graft more the secondary contracture.', 'role': 'assistant'}]