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': '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", 'role': 'assistant'}]