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 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.
Example Output: 5

Example Input: Question: What construct refers to the degree to which people are able to express commitment, control and challenge in their actions, thoughts and feelings? 
 Options:  <1> Coping strategies. <2> Resistant personality <3> Subjective well-being. <4> Type A behavior pattern <5> Extraversion
Example Output: 2

Example Input: Question: Steric stabilization in dispersed systems is: 
 Options:  <1> More effective in aqueous dispersions. <2> More effective with volume fractions of small particles. <3> Effective in aqueous and non-aqueous dispersions. <4> Coagulates by adding electrolytes. <5> Susceptible to reversible coagulation.
Example Output:
3