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: Medicine
[{'content': 'Pontine stroke is associated with all except - \nSelect and explain. \nA. Bilateral pin point pupil, B. Pyrexia, C. Vagal palsy, D. Quadriparesis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]