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: Dental
[{'content': 'Waste disposal of placenta is done by \nSelect and explain. \nA. Disposing in blue bag, B. Autoclaving, C. Incineration, D. Microwaving', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Placenta is thrown in yellow bag and later it is incinerated.', 'role': 'assistant'}]