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: Lyme disease is caused by: 
 Options:  <1> Borrelia burgdorferi. <2> Treponema saccharophilum. <3> Spirillum commune. <4> Leptospira interrogans. <5> Limulus polyphemus.
