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': 'Expiry medicines should be disposed in: \nSelect and explain. \nA. Blue bag, B. Black bag, C. Yellow bag, D. Red Bag', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Yellow:', 'role': 'assistant'}]