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': 'Pelvic splanchnic nerve is formed by - \nSelect and explain. \nA. Posterior rami of L5-L1, B. Posterior rami of S7-S3-S4, C. Anterior rami of L5-S1-S2, D. Anterior rami of S2-S3-S4', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ventral rami of S2\xa0- S4 gives rise to the pelvic splanchnic nerve.', 'role': 'assistant'}]