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: Nitric Oxide (NO) is synthesized from the amino acid: 
 Options:  <1> Arginine <2> Asparagine <3> To the girl. <4> Aspartate <5> Valina
