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': 'Facial N. stimulation during testing of nerve indicated by contraction of muscle: \nSelect and explain. \nA. Temporalis, B. Masseter, C. Sternoleidomastoid, D. Orbiculatris oris', 'role': 'user'}, {'content': 'Answer: D \nExplanation: D i.e. Orbicularis oris', 'role': 'assistant'}]