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': 'Best way to differentiate Entero hemorrhagic E.coli from other E.coli is \nSelect and explain. \nA. Macconkey agar, B. Blood agar, C. Sorbitol macconkey agar, D. Nitrate reduction test', 'role': 'user'}, {'content': 'Answer: C \nExplanation: EHEC does not ferments sorbitol thus\xa0Sorbitol Macconkey agar is used to differeniate EHEC from other E.coli.', 'role': 'assistant'}]