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: Pediatrics
[{'content': 'Pneumothorax could be a complication of – \nSelect and explain. \nA. Staphylococcal pneumonia, B. Pneumococcal pneumonia, C. Klebsiella pneumonia, D. Viral pneumonia', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Staphylococcal pneumonia is the most common cause of (amongst all pneumonia)\n\nPurulent pericarditis\nPneumatoceles\nPneumothorax\nLung abscess\nEmpyema\nOther organisms commonly causing empyma → Streptococcus pyogenes, Pneumococci', 'role': 'assistant'}]