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: Linolenic acid (18: 39, 12, 15) is a fatty acid: 
 Options:  <1> Polyunsaturated. <2> Saturated. <3> Polysaturated <4> With triple link. <5> Branched.
