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': 'Eichosapentaenoic acid is present in \nSelect and explain. \nA. Soyabean oil, B. Corn oil, C. Sunflower oil, D. Fish oil', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]