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'.

Ex 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.

Ex Output:
3

Ex Input:
Question: The General Law of Health (Law 14/1986, of April 25) favored the psychiatric reform in Spain because:
Options: <1> It gave a letter of nature to the model of the asylum. <2> Defined the biomedical model of assistance to the psychiatric patient. <3> Institutionalized the community structure formed by interdisciplinary teams. <4> Regulated the factors and elements of the quality of care. <5> He adopted a paternalistic model of protection for the mentally ill.

Ex Output:
3

Ex Input:
Question: Steric stabilization in dispersed systems is:
Options: <1> More effective in aqueous dispersions. <2> More effective with volume fractions of small particles. <3> Effective in aqueous and non-aqueous dispersions. <4> Coagulates by adding electrolytes. <5> Susceptible to reversible coagulation.

Ex Output:
3