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': 'Which of the following is not one of the proximate principles of food? \nSelect and explain. \nA. Protein, B. Fat, C. Carbohydrate, D. Vitamin', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Proximate principles of food form the major bulk of food. In Indian diet, they contribute to total energy intake in following percentage Protein: 7 to15 % Fat: 10 to 30 % Carbohydrate: 65 to 80% Ref: Park 22nd edition, page 564.', 'role': 'assistant'}]