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: Gallium is the element that is under the aluminum in group 13 of the periodic table. Thus: 
 Options:  <1> It burns in oxygen giving Ga2O. <2> It is stable to air due to a protective oxide layer. <3> It dissolves very quickly in nitric acid. <4> It is not soluble in basic water with hydrogen evolution. <5> It has a melting point a little higher than aluminum.
[EX A]: 2

[EX Q]: Question: Calcitriol or active Vitamin D induces: 
 Options:  <1> Hypocalcemia <2> Synthesis of calbindin in enterocytes. <3> Calcium secretion in urine. <4> PTH secretion. <5> Decrease in intestinal absorption of phosphate.
[EX A]: 2

[EX Q]: Question: In the treatment of major depressive disorder, what are the advantages of selective serotonin reuptake inhibitors (SSRIs) compared to tricyclic antidepressants? 
 Options:  <1> They are more effective. <2> They have been used for a longer time, while tricyclic antidepressants are more modern and are not well known. <3> They have fewer side effects. <4> Its efficacy has been proven in controlled studies, while tricyclic antidepressants have not yet been evaluated in controlled studies. <5> They have no clear advantage.
[EX A]:
3