This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pediatrics, Subject name: Social & Preventive Medicine
[{'content': 'Calcium in human milk is (mg/100gm) - \nSelect and explain. \nA. 200, B. 100, C. 70, D. 28', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., 28 Cow's milkHuman milkLactose (g)4.47.4Proteins (g)3.21.1Fat (g)4.13.4Calcium (mg)12028Iron (mg)0.21.0Water (g)8788Energy (Kcal)6765", 'role': 'assistant'}]