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 use of monolithic columns and continuous beds in liquid chromatography is already very common. To this end: 
 Options:  <1> Microporous membranes are used so that the interaction between a solute and the matrix takes place in the final part of the pore. <2> A separation medium is introduced with a greater degree of continuity than the stationary particle phase so that the mobile phase is forced to traverse the large pores of the medium, improving mass transport. <3> Monodisperse particles are used as a stationary phase in order to improve mass transfer. <4> Flexible organic gels are used from microporous polymers in order to decrease the flow rates. <5> Columns filled with small particles of polymerized silica are used.

Ex Output:
2


Ex Input:
Question: Importin intervenes in the transport of proteins from the cytoplasm to: 
 Options:  <1> Nucleus. <2> Endoplasmic reticulum. <3> Mitochondria. <4> Peroxisome <5> Lysosome

Ex Output:
1


Ex Input:
Question: For which of the following children's problems has the effectiveness of the symbolic modeling technique been demonstrated? 
 Options:  <1> Childhood depression <2> Behavioral disorders associated with ADHD. <3> The autism <4> The shyness. <5> The selective mutism.

Ex Output:

4