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: Transketolase catalyzes the transformation of ribose-5-phosphate and xylulose-5-phosphate into: 
 Options:  <1> Two molecules of ribulose-5-phosphate. <2> Sedoheptulose-7-phosphate and glyceraldehyde-3-phosphate. <3> Fructose-6-phosphate and erythrose-4-phosphate. <4> Glyceraldehyde-3-phosphate and glucose-6-phosphate. <5> 6-Phosphogluconate and glyceraldehyde-3-phosphate.

Ex Output:
2


Ex Input:
Question: Glutathione fulfills everything that follows except: 
 Options:  <1> It is a dipeptide. <2> Eliminates peroxides and free radicals. <3> Participates in the detoxification of compounds. <4> Acts as a cofactor of some enzymes. <5> Protects against oxidative stress.

Ex Output:

1