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': 'Preplacement examination in dye industry includes all of the following except – \nSelect and explain. \nA. Anemia, B. Asthma, C. Precancerous lession, D. Dermatitis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: The following is a list of some occupations in which it is risky to employ men suffering from certain diseases found on pre-placement examination -', 'role': 'assistant'}]