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': 'Bagassosis occurs with: \nSelect and explain. \nA. Cotton, B. Sugarcane fibres, C. Carbon paicles, D. Silica fibres', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Sugarcane fibres', 'role': 'assistant'}]