Task: Text Categorization
Input (English): Question: The completion of the translation: 
 Options:  <0> It takes place in AUG codons. <1> It is produced by incorporation of an empty tRNA. <2> It occurs when the ribosome reaches the end of the mRNA. <3> It does not consume energy. <4> It is mediated by proteins with structure similar to tRNA.
Output (English): biology