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: Social & Preventive Medicine
[{'content': "Which is NOT a complication of chicken pox/ varicella: September 2012 \nSelect and explain. \nA. Pancreatitis, B. Pneumonia, C. Encephalitis, D. Reye's syndrome", 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans: A i.e. Pancreatitis', 'role': 'assistant'}]