This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Vasculitis, Subject name: Medicine
[{'content': "A person presents with involvement of kidney and respiratory tract infection with granuloma formation. Most probable diagnosis is? \nSelect and explain. \nA. Wagner's granulomatosis, B. Goodpasture syndrome, C. Tuberculosis, D. Sarcoidosis", 'role': 'user'}, {'content': "Answer: A \nExplanation: ANSWER: (A) Wagner's granulomatosisREF: Harrison's Principles of Internal Medicine 17th ed chapter 319See previous question for explanation", 'role': 'assistant'}]