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: Mr. A. P. has been discharged after being operated on for a gastric resection. What recommendations should you give to avoid the rapid evacuation syndrome? 
 Options:  <1> Drink liquids during the meal. <2> Take a diet high in carbohydrates. <3> After ingestion, the decubitus position is the most beneficial if the patient tolerates it. <4> You should plan rest periods of 15 minutes after meals. <5> Take a diet low in protein and fat, to avoid abdominal distension.

Output: 3


Input: Consider Input: Question: Point out the correct definition: 
 Options:  <1> The Necessary Number to Treat (NNT) is the inverse of the Relative Risk (RR). <2> The Relative Risk Reduction (RRR) can clearly differentiate the big risks and benefits of the small ones. <3> The Relative Risk Reduction (RRR) is a measure of the therapeutic effort that clinicians and patients must make to avoid negative results of their illnesses. <4> The Number Necessary to Damage (NND) is calculated by dividing the unit by the Number Needed to Treat (NNT). <5> The Absolute Risk Reduction (RRA) is calculated by the absolute difference of the episode rate in the control group minus the episode rate in the intervention group.


Output: 5