This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Neuro-ophthalmology, Subject name: Ophthalmology
[{'content': "Light reflex absent but accommodation reflex present is seen in - \nSelect and explain. \nA. Hutchison's pupil, B. Argyl Robeson pupil, C. Adies pupil, D. Horner's syndrome", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ref khurana 6/e', 'role': 'assistant'}]