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': 'Which of the following is scotochromogen- \nSelect and explain. \nA. M. scrofulaceum, B. M. ulcerans, C. M. Kansasii, D. M. fouitum', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., M. Scrofulaceum", 'role': 'assistant'}]