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 probability that a person free of a disease develops it during a period of time, corresponds to: 
 Options:  <1> Chance. <2> Prevalence <3> Specificity <4> Forecast. <5> Risk.

Ex Output:
5


Ex Input:
Question: Which of the following pharmacokinetic characteristics of rosiglitazone is NOT correct ?: 
 Options:  <1> It has a bioavailability of 99% <2> The inactive metabolites are eliminated by urine after conjugation or in the form of sulfates. <3> It should not be prescribed in patients with liver disease. <4> It is necessary to readjust your dosage in the presence of kidney disease. <5> It should not be prescribed to the nursing mother.

Ex Output:
4


Ex Input:
Question: According to Kazdin, what is the meaning of the significant increase in the intensity or frequency of a behavior when an extinction program is applied to said behavior ?: 
 Options:  <1> Burst of extinction. <2> Spontaneous recovery <3> Graduation of extinction. <4> Efficacy of extinction. <5> Positive punishment

Ex Output:

1