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: The repeating element of the DNA structure is called: 
 Options:  <1> Spiceosome <2> Nucleosome <3> Chromosome. <4> Replisome <5> Primosoma.
