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': 'What is the maximum recommended percentage of fat in diet as per WHO? \nSelect and explain. \nA. 20%, B. 30%, C. 35%, D. 40%', 'role': 'user'}, {'content': 'Answer: B \nExplanation: The WHO/ FAO expe group on diet, nutrition, and prevention of chronic diseases endorse that qualitative composition of fats in diet has a significant role to play in modifying risk factors of coronary vascular disease. Total fat should be around 15 to 30 % (% of energy) Ref: Park 22nd edition, page 567', 'role': 'assistant'}]