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': "which is more in cow's milk compared to buffalo milk - \nSelect and explain. \nA. Fat, B. Protein, C. Water, D. Calcium", 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ref: Park 25th edition Pgno : 692', 'role': 'assistant'}]