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': 'The spinal nerve pairs are : \nSelect and explain. \nA. 28, B. 30, C. 31, D. 33', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C i.e. 31', 'role': 'assistant'}]