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: Importin intervenes in the transport of proteins from the cytoplasm to: 
 Options:  <1> Nucleus. <2> Endoplasmic reticulum. <3> Mitochondria. <4> Peroxisome <5> Lysosome

Ex Output:
1


Ex Input:
Question: What cognitive technique is used in Rational Emotive Behavior therapy to help people who have intellectual difficulties? 
 Options:  <1> Reduction to the absurd. <2> Cognitive distraction <3> Training in social skills. <4> Rational-emotive imagination. <5> Training in self-instructions.

Ex Output:
5


Ex Input:
Question: By heating in electric furnaces of silica, calcium carbide and coal, calcium silicides are obtained. One of them: 
 Options:  <1> It has the composition CaSi2. <2> It does not react with water. <3> Does not react with sulfuric acid. <4> It is a powerful oxidizing agent. <5> Its reaction with liquid water generates calcium silicate.

Ex Output:

1