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: With what scope is the Theory of the Melzack Gate and Wall related ?: 
 Options:  <1> Cancer. <2> HIV infection <3> Renal problems. <4> Pain. <5> Cardiovascular disorders

Output: 4


Input: Consider Input: Question: When the individual is unable to remember important personal information, usually a traumatic or stressful event, what disorder can we think of, within the group of dissociative disorders (DSM-IV-TR)? 
 Options:  <1> Dissociative identity disorder. <2> Dissociative trance disorder. <3> The generalized amnesia. <4> The dissociative amnesia. <5> The dissociative leak

Output: 4


Input: Consider Input: Question: The individual evaluation of the intelligence presents, in front of its collective evaluation, the following advantage: 
 Options:  <1> The application of individual tests implies a shorter duration. <2> The individual evaluation requires less training of the psychologist who administers them (the groups require more expertise). <3> It offers a total score without detailing in the different skill profiles. <4> It is considered more useful for a clinical purpose than the collective evaluation. <5> Individual evaluation does not require time control.


Output: 4