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: Within the Psychological Evaluation, the Self Registers, as a strategy to obtain information, how can they be considered? 
 Options:  <1> As a type of Experimental technique. <2> As a type of Self-reports. <3> As a modality of objective techniques. <4> As an Observational technique. <5> As a modality of the Semantic Differential of Osgood.

Output: 2


Input: Consider Input: Question: Reactivity is considered a source of error when using Observation as a method of obtaining information. Where does it come from? 
 Options:  <1> From the context in which the Observation is generated. <2> Of the observed subject. <3> Of the chosen procedure. <4> From the observer. <5> Of the type of instrument chosen.

Output: 2


Input: Consider Input: Question: Pulmonary hypertension occurs as a consequence of: 
 Options:  <1> Bronchoconstriction and inflammation of the upper respiratory tract. <2> Bronchoconstriction and inflammation of the lower respiratory tract. <3> Bronchiectasis and pulmonary collapse. <4> Vasoconstriction of the arterioles of the systemic circulation. <5> Vasoconstriction of the arterioles of the pulmonary circulation.


Output: 5