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'.

Example 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.
Example Output: 5

Example Input: Question: To detect the occurrence of prerenal acute renal failure in a patient, the nurse should monitor the presence of: 
 Options:  <1> Signs of low cardiac output. <2> Hematuria <3> Urine cloudy and smelly. <4> Colic pain <5> Elevation of creatinine clearance.
Example Output: 1

Example Input: Question: Classify proteins and regulate their traffic to their cell destinations: 
 Options:  <1> Golgi apparatus. <2> Ribosomes <3> Rough endoplasmic reticulum. <4> Mitochondria <5> Lysosomes
Example Output:
1