This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ohopaedics Q Bank, Subject name: Orthopaedics
[{'content': 'Dematome of middle finger: \nSelect and explain. \nA. C5, B. C6, C. C7, D. C8', 'role': 'user'}, {'content': 'Answer: C \nExplanation: For thumb C6 For index and middle finger C7 For ring and little finger C8', 'role': 'assistant'}]