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: Under the name of xanthines are grouped: 
 Options:  <1> The coca leaf, cocaine and crack. <2> Methadone and heroin <3> The MDA and the MDMA. <4> Nicotine and inhalants. <5> Caffeine and theophylline.

Output: 5


Input: Consider Input: Question: What is the name of the specialty of the History of Nursing that is dedicated to the study of existing care systems in Prehistory? 
 Options:  <1> Paleodermia. <2> Neo-nursing <3> Primo Nursing. <4> Ethno-nursing <5> Meso-nursing

Output: 1


Input: Consider Input: Question: Which statement is correct regarding the objective techniques in psychological evaluation? 
 Options:  <1> The Electroencephalograph allows to collect responses from the somatic nervous system. <2> The Purdue manual precision device allows the central nervous system to collect responses. <3> Most of the answers that measure these techniques are easily controllable by the evaluated. <4> The administration, registration and punctuation is usually done using devices. <5> The polygraph allows to collect cognitive responses.


Output: 4