1823
These results indicate that the IL-5 gene is positively regulated by cAMP in a manner opposite to that for the IL-2 gene .
 protein: IL-5; DNA: IL-5 gene; DNA: IL-2 gene; protein: IL-2
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: IL-5, IL-5 gene, IL-2 gene, IL-2 
Answer:
 protein: IL-5; DNA: IL-5 gene; DNA: IL-2 gene; protein: IL-2