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: The conception of person based on the idea that he is a being inseparably linked to his culture is developed in the care model of:
Options: <1> M. E. Rogers. <2> N. J. Pender. <3> J. Watson. <4> M. Leininger. <5> M. K. Chisman and J. Riehl-Sisca.

Ex Output:
4

Ex Input:
Question: The following are zoonotic:
Options: <1> Rotavirus. <2> Paramyxovirus. <3> Cytomegalovirus. <4> Arenavirus. <5> Parvovirus.

Ex Output:
4

Ex Input:
Question: When assessing the most appropriate contraceptive method for a person, the following should be taken into account:
Options: <1> The Pearl index that reflects the percentage of non-pregnancies of a contraceptive method in relation to the number of cycles of use of this method. <2> The acceptability of the method that is determined by the absence of collateral defects. <3> The innocuousness of the method that is determined by the absence of health risks that its use may entail. <4> The motivation or sociocultural conditions such as the level of education. <5> The reversibility or surgical possibilities of recovering fertility after using the method.

Ex Output:
3