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': "Chimney sweeper's cancer is also known as \nSelect and explain. \nA. Carcinoma scrotum, B. Carcinoma colon, C. Carcinoma lung, D. Carcinoma penis", 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]