Task: Question Answering
Input (English): Question: Which of the following sequences is added during the maturation or processing of the eukaryotic transfer RNA ?: 
 Options:  <1> Splicing site 5 'of the intron. <2> CCA sequence of amino acid charge. <3> Anticodon <4> 3 'splicing site of the intron. <5> Leading sequence of the 5 'end.
Output (English): 2