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'.

Ex Input:
Question: The alkaline error is defined as: 
 Options:  <1> Error that is committed when a strong base is valued. <2> Error that presents a glass electrode when the medium is very basic. <3> Error that is committed when a strong acid is valued. <4> Error affecting a reference electrode. <5> Own error of liquid membrane electrodes.

Ex Output:
2


Ex Input:
Question: The corpuscles of Pacini: 
 Options:  <1> They are innervated by unmyelinated fibers. <2> They are mechanoreceptors of slow adaptation. <3> They have small receptor fields. <4> They are located in deep areas of the dermis. <5> They are thermoreceptors.

Ex Output:
4


Ex Input:
Question: The local anesthetic procaine is a drug designed by pharmacodynamics of the: 
 Options:  <1> Morphine. <2> Melatonin <3> Tetracycline <4> Cocaine. <5> Noradrenaline

Ex Output:

4