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: Social & Preventive Medicine
[{'content': 'Vitamin A deficiency is considered a public health problem if prevalence rate of night blindness in children between 6 months to 6 years is more than ? \nSelect and explain. \nA. 0.01%, B. 0.05%, C. 0.10%, D. 1.00%', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is `c' i.e., 1.0%", 'role': 'assistant'}]