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': 'Mannitol Salt agar is used for isolation of ? \nSelect and explain. \nA. Gonococcus, B. Pneumococcus, C. Staphylococcus, D. Pseudomonas', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Staphylococcus", 'role': 'assistant'}]