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 structures of the condensed chromosomes are maintained by: 
 Options:  <1> Topoisomerases <2> Nucleolus proteins. <3> Fragments of Okazaki. <4> SMC proteins. <5> DNMT1 protein.
