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'.

[EX Q]: Question: The most common pancreatic cancer is: 
 Options:  <1> The intraductal mucinous papillary tumor. <2> Pancreatic neuroendocrine carcinoma. <3> The pancreatic cystadenocarcinoma. <4> The malignant insulinoma. <5> Ductal adenocarcinoma of the pancreas.
[EX A]: 5

[EX Q]: Question: The cellulose acetate filter membranes are compatible with: 
 Options:  <1> Organic solvents. <2> Aqueous solutions <3> All solvents <4> Organic solvents, except nitrogen. <5> Nitrogen solvents.
[EX A]: 2

[EX Q]: Question: The objective of using the economic evaluation in the decision making process regarding drug financing is: 
 Options:  <1> Decrease spending on medicines. <2> Be more efficient <3> Be more effective <4> Use the safest drugs. <5> Use the drugs with the best benefit-risk balance.
[EX A]:
2