This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Occupational health, Subject name: Social & Preventive Medicine
[{'content': 'Lung disease seen in Coal & Rock miners? \nSelect and explain. \nA. Anthracosis, B. Byssinosis, C. Bagassosis, D. Silicosis', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. (a) AnthracosisRef: Harrison's 18th ed ch:255", 'role': 'assistant'}]