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: Biochemistry
[{'content': 'Which of the following is not a good source of vitamin D? \nSelect and explain. \nA. Fatty fish, B. Milk, C. Fish liver oils, D. Egg yolk', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Good sources of vitamin D include fatty ﬁsh,ﬁsh liver oils, egg yolk etc. Milk is not a good source of\xa0 vitamin D.\nReference: Satyanarayana- Biochemistry, 3rd edition, pg-128', 'role': 'assistant'}]