Task: Question Answering
Input (English): Question: How is the correction of an erroneous amino acid incorporated in the process of translation in the ribosome carried out? 
 Options:  <1> There is no possibility of elimination of an amino acid in the synthesis of proteins. <2> Through the aminoacyl peptidase activity of the ribosome. <3> A dipeptidase removes the wrong amino acid, before proceeding with the synthesis. <4> Thanks to the fact that amino acids are energy-rich molecules. <5> There is a post-translational sequence review system.
Output (English): 1