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': 'Superficial muscles of perineum: \nSelect and explain. \nA. Ischio Cavernous, B. Bulbo Cavernous, C. Levator ani, D. Ischio-Coccygeus', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A. i.e. Ischiocavernous', 'role': 'assistant'}]