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: ENT
[{'content': 'Adenocarcinoma of ethmoid sinus occurs commonly in: \nSelect and explain. \nA. Fire workers, B. Chimney workers, C. Watch makers, D. Wood workers', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Workers of furniture industry develop adenocarcinoma of the Ethmoids and upper nasal cavity. While those engaged in Nickel refining get squamous cell and Anaplastic carcinoma.', 'role': 'assistant'}]