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: Naloxone is used in the treatment of poisoning with: 
 Options:  <1> Opiates <2> Benzodiazepines. <3> Barbiturates <4> Tricyclic antidepressants. <5> Digitálicos.

Ex Output:
1


Ex Input:
Question: What is interpersonal therapy of social rhythm (or interpersonal and social rhythm therapy)? 
 Options:  <1> An adaptation of interpersonal therapy to the treatment of dysthymic disorder. <2> An adaptation of interpersonal therapy to the treatment of severe major depressive disorder. <3> A therapy resulting from combining interpersonal therapy, behavioral activation therapy and social problem solving therapy. <4> An adaptation of interpersonal therapy for patients with major depressive disorder who have serious problems in their social relationships. <5> An adaptation of interpersonal therapy to the treatment of bipolar disorder.

Ex Output:
5


Ex Input:
Question: The reordering of Cope is a reordering: 
 Options:  <1> From an allyl vinyl ether. <2> [1,3] -sigmatropic. <3> [1,2] -sigmatropic. <4> [3,3] -sigmatropic. <5> It is a cycloaddition [4 + 2].

Ex Output:

4