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': 'True about composition of hospital waste –\n a) Metal 1%\n b) Paper 15%\n c) Glass 5%\n d) Infectious waste 3%\n e) Plastica 3% \nSelect and explain. \nA. ab, B. bc, C. cd, D. ae', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]