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 glycolic fraction of the glycolipids of the membrane of eukaryotic cells: 
 Options:  <1> It is located on the cytoplasmic side of the membrane. <2> It always has sialic acid. <3> They are synthesized by the action of several glycosyl transferases. <4> It is a glucose oligomer. <5> It has no antigenic power.

Ex Output:
3


Ex Input:
Question: In glycolysis: 
 Options:  <1> Hexokinase catalyzes the transfer of a phosphate group to different hexoses. <2> Phosphofructokinase-1 catalyzes a reaction that provides ATP. <3> All intermediates are phosphorylated compounds of six carbons. <4> It provides ATP, but it does not use it. <5> Fructose 2,6-bisphosphate is a potent inhibitor.

Ex Output:
1


Ex Input:
Question: Phosphofructokinase-1: 
 Options:  <1> Participates in glycolysis and gluconeogenesis. <2> It catalyzes an easily reversible reaction. <3> It is an enzyme with allosteric regulation. <4> Directly transfers a Pi to fructose6P. <5> Produce ATP.

Ex Output:

3