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': "Which hag among the following shouldn't be incinerated as it contains cadmium? \nSelect and explain. \nA. Blue, B. Red, C. Black, D. Yellow", 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Red Red bags must not be incinerated as red colour contains cadmium, which causes toxic emissions.", 'role': 'assistant'}]