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'.
Input: 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.
