This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacteriology, Subject name: Microbiology
[{'content': 'Thayer-Main medium is used for culture of \nSelect and explain. \nA. Mycobacteria, B. Neisseria, C. Moraxella, D. Salmonella', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Blood agar, Chocolate agar, and Mueller-Hinton starch casein hydrolysate agar are the media commonly used for culturing meningococci.Modified Thayer-Main (with vancomycin, Colistin, and Nystatin) is a useful selective medium.Ref: Ananthanarayan; 7th edition; Page no: 223', 'role': 'assistant'}]