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 not a rapidly growing atypical mycobacteria causing lung infections ? \nSelect and explain. \nA. M. chelonae, B. M.fouitum, C. M.abscessus, D. M.kansasii', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., M.kansasii", 'role': 'assistant'}]