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: Consider Input: Question: The generation of the cold vapor is a form of introduction of the sample for the atomization that is used in atomic absorption spectrometry (EAA) to analyze: 
 Options:  <1> Lead and Arsenic. <2> Mercury. <3> Elements that have a low vapor pressure at room temperature. <4> Halogens of high molecular weight. <5> Alcalinotérreos.

Output: 2


Input: Consider Input: Question: Among the criteria of DSM-IV for the diagnosis of Obsessive Compulsive Personality Disorder, are: 
 Options:  <1> A general pattern of concern for order, perfectionism, mental and interpersonal control at the expense of effectiveness, as well as a tendency to delegate to other tasks or work. <2> It shows rigidity and stubbornness, as well as a tendency to squander money. <3> Concern for details, rules, rules, lists, order, organization, schedules, until losing sight of the main objective of the activity. <4> Lax dedication to work and productivity, excluding leisure activities, unscrupulous in matters of morals and ethics. <5> Tendency to get rid of useless objects, even if they have a sentimental value. Miserly style in terms of expenses, both for him and for others.

Output: 3


Input: Consider Input: Question: Lyme disease is caused by: 
 Options:  <1> Borrelia burgdorferi. <2> Treponema saccharophilum. <3> Spirillum commune. <4> Leptospira interrogans. <5> Limulus polyphemus.


Output: 1