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': "The medium used for Mycobacterium tuberculosis is - \nSelect and explain. \nA. Sabouraud's medium, B. LJ medium, C. Pike's medium, D. NIH medium", 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]