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: Pediatrics
[{'content': 'Breast milk is deficient in the following vitamins \nSelect and explain. \nA. Vitamin C, B. Vitamin A, C. Vitamin D, D. Vitamin E', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Breast milk is rich in all Vitamins except Vitamin D, K and B12 (in strict vegetarain Mother)', 'role': 'assistant'}]