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'.
Q: Question: The completion of the translation:
Options: <1> It takes place in AUG codons. <2> It is produced by incorporation of an empty tRNA. <3> It occurs when the ribosome reaches the end of the mRNA. <4> It does not consume energy. <5> It is mediated by proteins with structure similar to tRNA.
A:
5