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: On the link between the nitrogenous base and the ribose of the nucleotides: 
 Options:  <1> The anomeric carbon of ribose is in alpha configuration. <2> It is an N-glycosidic bond. <3> It involves the C5' of the ribose. <4> It involves phosphate groups. <5> It is of a different nature for each nitrogenous base.
[EX A]: 2

[EX Q]: Question: The tRNA-aminoacyl-transferases: 
 Options:  <1> They link the amino acid to the ribosome. <2> They bind the amino acid to the anticodon of the tRNA. <3> They are RNA polymerases. <4> They guarantee the fidelity of the translation. <5> They are not important in the translation.
[EX A]: 4

[EX Q]: Question: Which of the following psychopharmacological treatments would NOT be indicated in the long-term treatment of a person diagnosed with generalized anxiety disorder? 
 Options:  <1> Pregabalin <2> Venlafaxine <3> Escitalopram. <4> Alprazolam <5> Duloxetine
[EX A]:
4