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: Catalase: 
 Options:  <1> Acts on hydrogen peroxide. <2> It results in the formation of hydrogen peroxide. <3> It acts on the superoxide anion. <4> It converts hydrogen peroxide into superoxide anion. <5> Use glutathione as a cofactor.

Ex Output:
1


Ex Input:
Question: Indinavir is a selective inhibitor of HIV protease because: 
 Options:  <1> By hydrolysis, the active drug is generated. <2> Rents irreversibly the active center of the enzyme. <3> Its structure mimics the transition state of the reaction catalyzed by the enzyme. <4> It is a suicide inhibitor. <5> Its symmetric structure interacts effectively with the active center of the enzyme.

Ex Output:
3


Ex Input:
Question: A 43-year-old man smokes 20 cigarettes a day, who comes to his clinic taken by a family member, because he has been sleeping for a few days, less than 3 hours a day, without mentioning fatigue. He adds that he has begun to spend large amounts of money, compromising family finances. It is verbose, with acceleration of thought and megalomaniacal appearance. As a personal history, there are no diseases of interest except for a depressive episode 5 years ago. He does not believe that anything happens to him, but he has agreed to go to the consultation with the intention of seeking help to quit smoking. There is no consumption of other toxins and the analytical and neurological examination do not provide abnormal data. In this patient, taking into account his most probable diagnosis, which treatment would be the LESS indicated: 
 Options:  <1> Bupropion. <2> Valproic acid. <3> Lithium carbonate. <4> Risperidone. <5> Olanzapine.

Ex Output:

1