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': 'Accommodation is maximum at the age of \nSelect and explain. \nA. 25 years, B. 5 years, C. 14 years, D. 30 years', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. 5 years', 'role': 'assistant'}]