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': 'Fluoride chewable tablets are preferred because: \nSelect and explain. \nA. More F is ingested, B. Easily acceptable, C. Daily topical application occurs, D. Economical', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]