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: Surgery
[{'content': 'Carcinoma common in dye industry workers is \nSelect and explain. \nA. TCC of bladder, B. SCC of bladder, C. Adenocarcinoma of bladder, D. All of the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Aniline dye is a risk for for TCC of bladder.', 'role': 'assistant'}]