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: In the electrophoresis of hemoglobin in cellulose acetate: 
 Options:  <1> Neutral Red or Evans Blue are used as dyes. <2> Three differentiated fractions are obtained: Hb A, Hb A2 and carbonic anhydrase. <3> The majority fraction is HbA2. <4> The hemolysate is obtained using CINH4. <5> Acetone-Ethanol (1: 1) is used as decolorizer.
