8889
Chicken IL2 contains five repeats of the "instability" motif ATTTA in the 3'untranslated region in exon 4 .
 protein: IL2; DNA: 3'untranslated region; DNA: exon 4
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
 Entities: IL2, 3'untranslated region, exon 4 
Answer:
 protein: IL2; DNA: 3'untranslated region; DNA: exon 4