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: If a sample of size 100 has a standard deviation of 10, its typical error is: 
 Options:  <1> 10 <2> 100 <3> 0.1 <4> one. <5> There is not enough data to calculate it.

Ex Output:
4


Ex Input:
Question: One of the characteristics of the primary delirium experience is: 
 Options:  <1> Its greater modifiability, compared with the secondary one. <2> The primary obsessive concern of the patient to control reality. <3> That does not have its origin in a previous anomalous experience. <4> That is not maintained with intense conviction. <5> Which is plausible

Ex Output:
3


Ex Input:
Question: The determination of the concentration of one of the following proteins in serum can give us information of a possible hemolytic anemia. Indicate which: 
 Options:  <1> Transferrin <2> Hemosiderin. <3> Ceruloplasmin. <4> Ferritin. <5> Haptoglobin.

Ex Output:

5