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': "Most common complication of chicken pox \nSelect and explain. \nA. Varicella pneumonia, B. Secondary bacterial pneumonia, C. Chorioretinitis, D. Reye's syndrome", 'role': 'user'}, {'content': 'Answer: B \nExplanation: M/c\xa0- secondary bacterial pneumonia(strept > staph)\nMost dangerous - Varicella pneumonia.', 'role': 'assistant'}]