This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: NEET 2019, Subject name: Social & Preventive Medicine
[{'content': 'Fast breathing in a 6-month old infant is taken as \nSelect and explain. \nA. >60 breaths/ min, B. >50 breaths/ min, C. >40 breaths/ min, D. >30 breaths/ min', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Criteria for fast breathing AGE Respiratory Rate <2 months >60/minute 2-12 months >50/minute 12 months-5 years >40/minute', 'role': 'assistant'}]