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': 'Among the common food items, fluoride is found in higher PPM in: \nSelect and explain. \nA. Pineapple, B. Tea, C. Sea Fish, D. Coconut Water', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]