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: Heterochromatin lacks: 
 Options:  <1> Histone H1. <2> Nucleosomes <3> Exons <4> Transcriptional activity <5> Origins of replication.
