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': '8% of SNF2 contains: \nSelect and explain. \nA. 8000PPM of flouride, B. 80,000PPM of flouride., C. 9200PPM of flouride., D. 19,500PPM of flouride.', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]