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: In the treatment of heart failure: 
 Options:  <1> Angiotensin receptor blockers (ARA II) have shown superiority over angiotensin-converting enzyme (ACE) inhibitors and should be the first therapeutic option. <2> Aldosterone antagonists have not shown prognostic improvement, being contraindicated in patients with advanced systolic dysfunction and functional grade IV. <3> Beta-blockers have been shown to decrease mortality in patients with decreased ejection fraction. <4> Cardiac resynchronization pacemaker therapy is indicated in patients with systolic dysfunction whenever the QRS is narrow (less than 120 msg). <5> The implantation of automatic defibrillators is contraindicated in patients with ventricular dysfunction, especially if it is caused by ischemia.
