Definition: In this task, you are given a multiple-choice question about healthcare. Answer the question based on your information and classify your answers into '1', '2', '3', and '4'.
Input: Question: Before a 7-month-old girl who comes to the emergency room with a picture suggestive of bronchiolitis, what would be the most probable etiologic agent? 
 Options:  <1> Adenovirus. <2> Parainfluenza virus 1 <3> Influenza B virus <4> Bocavirus <5> Respiratory syncytial virus.
