Instructions: 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: Question: In the health diagnosis of a community, if the objective is to know how the environment influences the community, the indicator that must be included in the analysis is: 
 Options:  <1> Unemployment rate. <2> Geographic characteristics. <3> General structure of the population. <4> Fertility rate. <5> Population correctly vaccinated.
Output:
2