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'.

Example Input: Question: Which of the following anti-infectives is a reversible inhibitor of monoamine oxidase that can lead to interactions with antidepressants that increase serotonin? 
 Options:  <1> Neomycin. <2> Teicoplanin <3> Linezolid. <4> Clindamycin <5> Meropenem.
Example Output: 3

Example Input: Question: When choosing the most appropriate intervention, when the NANDA, NOC, and NIC classifications are used together, the fundamental reference element is: 
 Options:  <1> The diagnosis. <2> The patient's preferences <3> The objects of the plan. <4> The result. <5> The activities that can be carried out.
Example Output: 4

Example Input: Question: In the field of mental health, the word chronicity: 
 Options:  <1> It is not used in relation to mental disorders. <2> It is replaced by the term Serious Mental Disorder (TMG). <3> It began to be used with psychiatric reform. <4> It is related to acute mental illness. <5> It is a neutral concept, without negative connotations.
Example Output:
2