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: Delusions are characteristic symptoms of schizophrenia that: 
 Options:  <1> They include alterations in sensoperception. <2> They involve psychomotor hallucinations. <3> They represent a false belief based on a mistaken interpretation of reality by the patient. <4> They consist of an inability of the individual to adapt to social norms. <5> They are equated with illusions.

Ex Output:
3


Ex Input:
Question: In relation to vaccines, indicate the correct option: 
 Options:  <1> The immunization schedule should be suspended during the summer months. <2> The vaccination calendar is fixed and immovable. <3> The appropriate storage temperature is between 2 and 8C. <4> Influenza vaccine should only be given to people older than 14 years. <5> All the previous answers are correct.

Ex Output:
3


Ex Input:
Question: The standard equilibrium constant for a reaction between ideal gases: 
 Options:  <1> It depends on the initial quantities of the reagents. <2> It takes different values ​​if the reaction is carried out at different pressures. <3> It depends on the volume of the vessel in which the reaction is carried out. <4> It only depends on the temperature. <5> It depends on the nature of the gases.

Ex Output:

4