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: To proceed to the elaboration of suppositories by the method of discharge it is necessary to calculate the displacement factor that indicates: 
 Options:  <1> The weight, in grams, of drug that is displaced by one gram of excipient. <2> The volume of excipient that is displaced by 100 mL of drug. <3> The weight, in grams, of excipient that is displaced by 1mL of drug. <4> The weight, in grams, of drug that is displaced by 1 mL of excipient. <5> The weight, in grams, of excipient displaced by one gram of drug.
Example Output: 5

Example Input: Question: Which of the following statements about the technique of emotive images is FALSE? 
 Options:  <1> It is a variant of systematic desensitization. <2> It was developed to treat phobias of small children or with difficulties to relax. <3> It is a multicomponent program for the treatment of childhood phobias. <4> It is usually induced an inhibitory response to anxiety other than relaxation. <5> It can be used for the treatment of medical fears.
Example Output: 3

Example Input: Question: In general, water intake should be increased in patients undergoing chemotherapy with the aim of: 
 Options:  <1> Prevent kidney damage. <2> Fluidify bronchial secretions. <3> Relieve post-chemotherapy nausea. <4> Increase the volume. <5> Decrease the risk of infection.
Example Output:
1