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: Pediatrics
[{'content': 'Apnoea in infants is- \nSelect and explain. \nA. >10 sec, B. >20 sec, C. >30sec, D. >40sec', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., > 20 sec", 'role': 'assistant'}]