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: At what stage is the person when they begin to balance the positive and negative consequences of drug use and, as a result, begin to consider stopping consumption, but basically maintain their ambivalence in this decisional balance? 
 Options:  <1> Stadium of action. <2> Contemplation stadium. <3> Relapse stadium. <4> Pre-contemplation stadium. <5> Post-relapse stadium.

Ex Output:
2


Ex Input:
Question: Streptococcus sobrinus and Streptococcus mutants are responsible for: 
 Options:  <1> Dental cavities. <2> Burns infections. <3> Rheumatic fever <4> Atypical rhinitis. <5> Otitis stockings.

Ex Output:
1


Ex Input:
Question: In the titration curve of a diprotic acid, the three points whose pH only depends on the dissociation constants are: 
 Options:  <1> The starting point and the equivalence points. <2> The first point of equivalence and the two points of semi-neutralization. <3> The first semi-neutralization point and the two equivalence points. <4> The starting point, the first semi-neutralization point and the first equivalence point. <5> The starting point and the two semi-neutralization points.

Ex Output:

2