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: What is the arrhythmia that most often triggers sudden death in a context of acute ischemic heart disease? 
 Options:  <1> Extrasist. <2> Ventricular tachycardia <3> Ventricular fibrillation. <4> Atrial fibrillation <5> Autrioventricular block.
