Detailed Instructions: 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'.
Problem:Question: It has been transcribed and it is also translated: 
 Options:  <1> mRNA. <2> rRNA. <3> Introns <4> tRNA. <5> Promoter.
Solution:
1