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': 'As per Bio Medical Waste Management & Handling rules, waste sharps should be contained: \nSelect and explain. \nA. White container, B. Yellow container, C. Red container, D. Black container', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]