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: By what legal norm were regulated for the first time the specialties for the Diploma in Nursing and obtaining the title of Specialist Nurse? 
 Options:  <1> Order June 1, 1992 (BOE June 2). <2> Royal Decree 450/2005, of April 22 (BOE May 6). <3> Royal Decree 992/1987, of July 3 (BOE 1 of August). <4> Royal Decree 943/1986 (BOE May 14). <5> Order of July 15, 1980 (BOE of July 23).

Ex Output:
3


Ex Input:
Question: Which amino acid serves as a starting point for the synthesis of porphyrins (heme group)? 
 Options:  <1> Valina <2> To the girl. <3> Asparagine <4> Lysine <5> Glycine

Ex Output:
5


Ex Input:
Question: The absorbance of a medium solution at the isosbestic point is that determined to: 
 Options:  <1> The wavelength at which the molar absorption coefficients of two absorbent species in chemical equilibrium, interconvertible to each other, are equivalent. <2> The wavelength at which the molar absorption coefficients of two absorbing species in chemical equilibrium are not equivalent. <3> The wavelength at which the acid form of an indicator is maximum. <4> The wavelength at which the acid form of an indicator is minimal. <5> The wavelength of the species that participate in the equilibrium when it is displaced towards longer wavelengths.

Ex Output:

1