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 tube of very small diameter and about 6 meters in length that runs along the posterolateral side of the testicle and connects with the vas deferens, is it called? 
 Options:  <1> Prostate. <2> Epididymis <3> Urethra. <4> Epéndimo. <5> Seminiferous tubule.
[EX A]: 2

[EX Q]: Question: When comparing the characteristics of pragmatic or confirmatory clinical studies with explanatory or exploratory clinical studies, which of the following is an advantage of the former? 
 Options:  <1> Information about subgroups of patients representative of the usual clinical practice. <2> Very homogeneous sample, with little variability. <3> Greater capacity to detect differences in the effectiveness of interventions. <4> Greater internal validity <5> Smaller sample size
[EX A]: 1

[EX Q]: Question: Which of the following drugs would indicate as first-line treatment in a 53-year-old patient diagnosed with metastatic clear cell renal cancer? 
 Options:  <1> Sunitinib. <2> Cetuximab. <3> Fluoropyrimidine <4> Panitumumab. <5> Bleomycin.
[EX A]:
1