This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nutrition and Health, Subject name: Social & Preventive Medicine
[{'content': 'Vitamin D is maximum in : \nSelect and explain. \nA. Milk, B. Fish fat, C. Eggs, D. Cod liver oil', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' ie; cod liver oil Dietary sources of vitamin D in decreasing order -Halibut liver oil 5. MilkCod liver oil 6. EggsShark liver oil 7. ButterFish fat", 'role': 'assistant'}]