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[{'content': 'Outdated drugs and cytotoxic wastes are disposed by: \nSelect and explain. \nA. Dumping, B. Destruction and disposal, C. Store for month and burial, D. Incineration', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Destruction and disposal', 'role': 'assistant'}]