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': 'Sympathetic innervation to appendix is derived from: \nSelect and explain. \nA. D8, B. D10, C. D12, D. L1', 'role': 'user'}, {'content': 'Answer: B \nExplanation: D10', 'role': 'assistant'}]