This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiratory system, Subject name: Medicine
[{'content': 'Cavitatory lesions in lung are seen in \nSelect and explain. \nA. Primary pulmonary Tuberculosis, B. Staphylococcal pneumonia, C. Pneumoconiosis, D. Interstitial Lung disease', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Causes of cavitation include infections malignancies tuberculosis but not primary ptb pulmonary abscess septic emboli nontb mycobacterium infection aspergillosis systemic diseases like granulomatosis with polyangitis, sarcoidosis.', 'role': 'assistant'}]