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': 'Nitric acid test is used for ? \nSelect and explain. \nA. Lathyrism, B. Argemone oil, C. Aflatoxin, D. BOAA', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Argemone oil", 'role': 'assistant'}]