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 is an amino acid whose side chain contains an amine: 
 Options:  <1> Lysine <2> Glutamine <3> Cysteine <4> Serina <5> To the girl.
