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: Microbiology
[{'content': 'All of the following are anaerobic media except \nSelect and explain. \nA. Robertson cooked meat broth, B. Brain heart infusion agar, C. Egg yolk agar, D. CLED agar', 'role': 'user'}, {'content': 'Answer: D \nExplanation: CLED agar is a differential media.', 'role': 'assistant'}]