TASK DEFINITION: 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'.
PROBLEM: Question: Sulfasalazine is used for the treatment of ulcerative colitis. It is a prodrug of 5-aminosalicylic acid that is activated by a process of: 
 Options:  <1> Hydrolysis of an ester. <2> Hydrolysis of an amide. <3> Oxidative dealkylation. <4> Reducing rupture of the azoderivative. <5> Aromatic hydroxylation.

SOLUTION: 4

PROBLEM: Question: How is the pigmented and highly vascularized layer of the posterior wall of the eyeball called? 
 Options:  <1> Iris. <2> Choroid <3> Ciliary body. <4> Sclera <5> Retina.

SOLUTION: 2

PROBLEM: Question: It has been transcribed and it is also translated: 
 Options:  <1> mRNA. <2> rRNA. <3> Introns <4> tRNA. <5> Promoter.

SOLUTION:
1