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: Anatomy
[{'content': 'Dermatome supplying the middle finger is - \nSelect and explain. \nA. C6, B. C7, C. C8, D. T1', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is'b' i.e., C7(Ref: BDC Sth/e Vol. 1 p. 68).Thumb - C6Ring middle & index finger - C7Little finger - C8.", 'role': 'assistant'}]