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': 'Hospital waste product accounts- \nSelect and explain. \nA. Paper 40%, B. Plastic 10%, C. Infectious waste 30%, D. Rage 30%', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Plastic 10%", 'role': 'assistant'}]