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'.

Example Input: Question: Point out which of the following guidelines belongs to the Stress Reduction Program of Kabat-Zinn (University of Massachusetts): 
 Options:  <1> Acceptance and commitment therapy. <2> Behavioral activation therapy. <3> Psychoeducation and mindfulness. <4> Dialectical therapy. <5> Therapy of common factors.
Example Output: 3

Example Input: Question: The excitotoxins activate: 
 Options:  <1> Nicotinic receptors <2> GABAA receptors <3> Glycine receptors. <4> NMDA receivers. <5> Na + channels dependent on voltage.
Example Output: 4

Example Input: Question: The cells of the seminiferous tubules that support and nourish the germ cells are: 
 Options:  <1> The cells of Leydig. <2> The Sertoli cells. <3> The primary spermatocytes. <4> Secondary spermatocytes <5> The spermatids.
Example Output:
2