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: Clostridium perfringens can cause various infections, including: 
 Options:  <1> The anthrax. <2> Pseudomembranous colitis. <3> The gas gangrene. <4> Tetanus <5> The syndrome of scalded skin.

Ex Output:
3


Ex Input:
Question: A 24-year-old boy who, after 3 days of high-risk sexual contact, has numerous pustular, small, very pruritic lesions that progress to minute erosions affecting the entire glans and inner face of the prepuce. Indicate which is, among the following, the most probable diagnostic orientation: 
 Options:  <1> Genital candidiasis <2> Chancroid. <3> Secondary syphilis <4> Balanitis by Trichomonas. <5> Fungal infection by dermatophytes.

Ex Output:
1


Ex Input:
Question: A population estimate of blood creatinine levels is made in a group of pregnant women, obtaining the following results: mean (×) 0.8 mg / dL; typical deviation (s) 0.62 mg / dL; sample size (n) 85 women. According to the previous data, the confidence interval for the population mean (μ) with a confidence level of 95% (Z = 1.96) is: 
 Options:  <1> 0.8 ± 0.04. <2> 0.8 ± 0.13. <3> 0.8 ± 0.62. <4> 0.8 ± 1.96. <5> 0.8 ± 0.07.

Ex Output:

2