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 oxaciclohexane-type conformer of sugar -D - (+) - glucopyranose: 
 Options:  <1> One of the OH- groups is axial, but the remaining substituents are equatorial. <2> The CH2OH group is axial but the remaining groups are equatorial. <3> All groups are axial. <4> All groups are equatorial. <5> The CH2OH group is equatorial but the remaining groups are axial.

Ex Output:
4


Ex Input:
Question: Regarding intestinal polyposis, which of the following syndromes is NOT hereditary? 
 Options:  <1> Gardner syndrome. <2> Cronkhite-Canada syndrome. <3> Turcot syndrome. <4> Juvenile polyposis <5> Peutz-Jeghers syndrome.

Ex Output:
2


Ex Input:
Question: The carbon skeleton of proline enters the citric acid cycle in the form of: 
 Options:  <1> Fumarate <2> Isocitrate. <3> α-Cetuglutarate. <4> Oxalacetate. <5> Succinate

Ex Output:

3