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: Social & Preventive Medicine
[{'content': 'Skimmed milk is devoid of: \nSelect and explain. \nA. Fat, B. Carbohydrate, C. Protein, D. Vitamin B12', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Milk from which fat has been removed is known as skimmed milk. It is devoid of fat and fat soluble vitamins but a good source of calcium and proteins. Ref: Park, 22nd edition pg: 584', 'role': 'assistant'}]