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': 'Sacrotuberous ligament is pierced by ? \nSelect and explain. \nA. SI nerve, B. L5 nerve, C. Coccygeal nerve, D. None', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Coccygeal nerve Sacrotuberous ligament is pierced by :-Perforating cutaneous nerveFifth sacral (S5) and cocygeal nervesBranches of coccygeal plexusCoccygeal branch of inferior gluteal aery", 'role': 'assistant'}]