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: Dental
[{'content': 'The daily recommended dose of the fluoride for the children below 3 years is \nSelect and explain. \nA. Less or equal to 0.5 mg, B. 0.5 to 0.7 mg, C. 1.0 to 1.5 mg, D. None of the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]