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': 'Not a indication for admission in pneumonia - \nSelect and explain. \nA. Fever of 39°c, B. Cyanosis, C. Chest retraction, D. Not feeding well', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]