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 excipients acts as a plasticizer in hard gelatine capsules? 
 Options:  <1> Jelly. <2> Titanium dioxide. <3> Glycerin. <4> Sodium bisulfite. <5> For methyl aminobenzoate.
