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': 'Which muscle plays a role in winking \nSelect and explain. \nA. Levator labi superioris, B. Orbicularis oculi, C. Corrugator supercilli, D. Levator palpebrae', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Orbicularis oculi", 'role': 'assistant'}]