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 hepatitis viruses is a subsidiary of treatment with viral protease inhibitors? 
 Options:  <1> The hepatitis C virus <2> The hepatitis B virus <3> The hepatitis A virus <4> The hepatitis E virus <5> The TTV virus.
