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': 'Most common cause of death in children <5 yrs age - \nSelect and explain. \nA. Respiratory infection, B. Diarrhoea, C. Prematurity, D. Accidents', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. is \'a\' i.e., Respiratory infection "During 2006, about 17% of underfive moality worldwide was due to diarrheal disease, about 19% due to acute respiratory infection, 4% due to measles and 8% due to malaria".', 'role': 'assistant'}]