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: The reaction conditions for transforming nonanamide into octanamine and carbon dioxide are: 
 Options:  <1> H2, metallic catalyst. <2> Excess of CH3I, K2 CO3. <3> Cl2, NaOH, H2O. <4> LiAlH4, diethyl ether and then hydrolysis. <5> CH2N2, diethyl ether.
Example Output: 3

Example Input: Question: Which of the following moments of the electrocardiogram corresponds to the depolarization stage of the ventricular myocardium ?: 
 Options:  <1> Onda P. <2> Onda T. <3> Segment T-P. <4> Segment P-Q. <5> QRS wave.
Example Output: 5

Example Input: Question: The Problem Solving Therapy for depression includes within its proposals: 
 Options:  <1> Train relaxation responses in the patient as a means to improve reflection and the search for solutions. <2> Encourage the patient to take positive actions, whatever they may be, even if they are not aimed at solving any specific problem. <3> Train social skills strategies that help solve important problems. <4> Look for problems in your childhood and adolescence that may be having an impact on your current depression. <5> Minimize the impact of depressive symptoms on attempts to solve.
Example Output:
5