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'.

Input: Consider Input: Question: The surgical treatment of COPD, or lung volume reduction surgery, is currently a therapeutic weapon more within the multidisciplinary treatment of it. Which of the following statements is correct? 
 Options:  <1> The indication for surgical treatment will be in those patients who have moderate / severe congestive heart failure at the same time. <2> The presence of a pulmonary artery systolic pressure lower than 45 is an absolute contraindication. <3> COPD with emphysematous predominance in lower and middle lobes associated with pleural pathology is associated with better results. <4> The presence of a diffuse distribution of emphysema with FEV1> 20% and DLCO <20% are indicators of good prognosis. <5> Pre-surgical rehabilitation along with the distribution of emphysema in the upper lobes and the ability to perform postoperative physical exercise makes the results of the surgery beneficial.

Output: 5


Input: Consider Input: Question: What would be the pathophysiological mechanism that would explain the jaundice that can be observed in choledocholithiasis? 
 Options:  <1> Increase in bilirubin production. <2> Defect in the uptake of bilirubin by the hepatocyte. <3> Disorder in bilirubin conjugation. <4> Defect in the elimination of bilirubin by the hepatocyte. <5> Disorder in the conduction of bilirubin to the duodenum.

Output: 5


Input: Consider Input: Question: For the determination of polychlorinated biphenyls is an environmental sample by gas chromatography, the most appropriate detector would be: 
 Options:  <1> Of flame ionization. <2> Of electronic capture. <3> Thermoionic <4> Of photoionization. <5> Amperometric.


Output: 2