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: Ophthalmology
[{'content': 'Ganglionic cells are, neurons ? \nSelect and explain. \nA. First order, B. Second order, C. Third order, D. None', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Second order", 'role': 'assistant'}]