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': 'In a child 1 years the commonest cause of resp. Infection with wheeze is - \nSelect and explain. \nA. RSV, B. Influenza viurs, C. Adenovirus, D. Para influenza', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., RSV o Wheezing due to respiratory tract infection in a 1 year old child is due to bronchiotilis.", 'role': 'assistant'}]