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': 'In IMNCI, pneumonia is classified by- \nSelect and explain. \nA. Fast breathing, B. Wheezing, C. Fever, D. Chest indrawing', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]