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: Which of the following medications is used in the treatment of Chagas disease? 
 Options:  <1> Amphotericin B. <2> Cotrimoxazole. <3> Ivermectin <4> Albendazole <5> Benznidazole
