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'.

Input: Consider Input: Question: The corpuscles of Pacini:
Options: <1> They are innervated by unmyelinated fibers. <2> They are mechanoreceptors of slow adaptation. <3> They have small receptor fields. <4> They are located in deep areas of the dermis. <5> They are thermoreceptors.

Output: 4

Input: Consider 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.

Output: 5

Input: Consider Input: Question: Which were the first authors who investigated the role that stressful life events could have on health ?:
Options: <1> Mechanic <2> Matarazzo <3> Zola <4> Lazarus <5> Holmes and Rahe.
Output: 5