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': 'According to EVINCE fast breathing in 5 mth child is defined as - \nSelect and explain. \nA. >30/min, B. 40, C. 50, D. 60', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., 50", 'role': 'assistant'}]