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': 'Structures passing through the Lesser Sciatic Foramina: \nSelect and explain. \nA. Internal pudendal vessels, B. Nerve to Obturator internus, C. Pudendal nerve, D. All', 'role': 'user'}, {'content': 'Answer: D \nExplanation: A. i.e. Internal pudendal vessels; B. i.e. Nerve to Obturator internus; C. i.e. Pudendal nerveStructures passing through lesser sciatic foramen are - Pudendal nerve, Internal pudendal vessels, Nerve & Tendon of Obturator internus. Mnemonic - "PINTO"', 'role': 'assistant'}]