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': 'WHO recommended salt intake - \nSelect and explain. \nA. < 5 gm/d, B. < 6 gm/d, C. < 7 gm/d, D. < 8 gm/d', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., < 5 gm/d Ranges of population nutrient intake goalsDietary factorGoal (% of total energyunless otherwise statedTotal fatSaturated fatty acidsPolyunsaturated fatty acids (PUFAs)15-30%< 15%6-10%n-6 Polyunsaturated fatty' acids (PUFAs)n-3 Polyunsaturated fatty acids (PUFAs)Trans fatty acidsMonounsaturated fatty acids (MUFAs)5-8%1-2%<1%by differenceTotal carbohydrateFree sugarsProteinCholesterolSodium chloride (sodium)Fruits and vegetablesTotal dietary fibreNon-starch polysaccharides (NSP)55-75%<10%10-15%<300 mg per day< 5g per day (< 2g per day)3 400g per dayFrom foodsFrom foods", 'role': 'assistant'}]