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 set of social mechanisms whose function is the transformation of specialized products in the form of health services for society, is called system:
Options: <1> Sanitary. <2> Social. <3> Social insurance. <4> Liberal. <5> From the market

Output: 1

Input: Consider Input: Question: Affective rigidity is characterized by:
Options: <1> Rapid changes in mood. <2> Affective expression is discordant with the situation. <3> Absence of reactive positive feelings. <4> Inability to modulate affect depending on situations. <5> Little intense emotional responses.

Output: 4

Input: Consider Input: Question: How does the increase in temperature affect the reaction between antigen and antibody?
Options: <1> Increases the reaction rate and decreases binding affinity. <2> It decreases the reaction rate and increases the binding affinity. <3> Increases the reaction rate and binding affinity. <4> Decreases the reaction rate and binding affinity. <5> None of the above options is correct.
Output: 1