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'.

Ex Input:
Question: Point out the correct answer regarding therapy for Rehm's depression: 
 Options:  <1> It focuses on three processes: self-tracking, self-esteem and self-reinforcement. <2> It has no empirical evidence to be considered well-established treatment. <3> Each of its components separately have been shown to be as effective as the complete treatment. <4> It presents a strong cognitive component. <5> It has been shown superior to interpersonal therapy and problem solving.

Ex Output:
3


Ex Input:
Question: At what stage is the person when they begin to balance the positive and negative consequences of drug use and, as a result, begin to consider stopping consumption, but basically maintain their ambivalence in this decisional balance? 
 Options:  <1> Stadium of action. <2> Contemplation stadium. <3> Relapse stadium. <4> Pre-contemplation stadium. <5> Post-relapse stadium.

Ex Output:
2


Ex Input:
Question: The ribonucleotide reductase: 
 Options:  <1> Involved in the synthesis of deoxyribonucleotides. <2> It uses NADPH as a coenzyme. <3> It is an enzymatic system. <4> Acts in collaboration with the thioredoxin. <5> All the above is true.

Ex Output:

5