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: Indicate which of the following drugs has antihypertensive action: 
 Options:  <1> Pancuronium <2> Nitroprusside sodium <3> Procainamide <4> Salbutamol <5> Clarithromycin
