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: In general, water intake should be increased in patients undergoing chemotherapy with the aim of: 
 Options:  <1> Prevent kidney damage. <2> Fluidify bronchial secretions. <3> Relieve post-chemotherapy nausea. <4> Increase the volume. <5> Decrease the risk of infection.
Example Output: 1

Example Input: Question: In economic evaluations, which of the following costs correspond to indirect non-health costs? 
 Options:  <1> Hospitalization of the patient. <2> Care at the patient's home. <3> Loss of patient productivity. <4> Travel expenses of the patient. <5> Rehabilitation of the patient.
Example Output: 3

Example Input: Question: It contains a Gram negative species that causes meningitis the genus: 
 Options:  <1> Trichomonas. <2> Pasteurella <3> Burkholderia. <4> Francisella. <5> Neisseria.
Example Output:
5