This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Toxicology - 1, Subject name: Forensic Medicine
[{'content': 'Vineyard sprayer lung is due to \nSelect and explain. \nA. Copper, B. Mercury, C. Lead, D. Phosphorous', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Vineyard sprayer lung: - Due to inhalation of copper sulphate spray. - Characterised by histiocytic granulomatous lung. - Occurs in metal worker due to inhalation of dust or food contamination with verdigris.', 'role': 'assistant'}]