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: What is the mechanism of action of the immunosuppressant drug everolimus ?: 
 Options:  <1> Inhibition of the activation of lymphocytes as membrane receptors. <2> Inhibition of the transmission of the activation signals. <3> Inhibition of nucleotide synthesis. <4> Inhibition of lymphocyte migration. <5> Inhibition of proliferation signals.

Ex Output:
5


Ex Input:
Question: Graphite is a conductor because: 
 Options:  <1> The valence band has electronic vacancies. <2> The driving band has electronic vacancies. <3> Both bands have electronic vacancies. <4> The banned band is very big. <5> The band gap is zero.

Ex Output:

5