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 the scheme of the stages of Tanner's pubertal development, the stage or level 5 in women corresponds to: 
 Options:  <1> Light bulge of the breast button and increase of the areolar size. <2> Growth of the breast, presence of light pubic hair and roundness of the hips. <3> Slight mammary protrusion and beginning of roundness of the hips. <4> Full development of the breast and triangle of full pubic hair as in adult women. <5> The beginning of the thelarchy.

Ex Output:
4


Ex Input:
Question: Gallium is the element that is under the aluminum in group 13 of the periodic table. Thus: 
 Options:  <1> It burns in oxygen giving Ga2O. <2> It is stable to air due to a protective oxide layer. <3> It dissolves very quickly in nitric acid. <4> It is not soluble in basic water with hydrogen evolution. <5> It has a melting point a little higher than aluminum.

Ex Output:
2


Ex Input:
Question: A clathrate is: 
 Options:  <1> A type of covalent interaction. <2> The formation of a regular water network around non-polar molecules. <3> The formation of a regular network of water around polar molecules. <4> The structure of a lipid network around a protein. <5> A nucleoprotein complex.

Ex Output:

2