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: It contains an imidazole group the side chain of: 
 Options:  <1> Arginine <2> Tyrosine <3> Glutamine <4> Histidine <5> Lysine
