14335
Long-lasting IL-2 receptivity is associated with high-level expression of the inducible IL-2 receptor alpha chain ( IL-2R alpha ) gene that is regulated at both transcriptional and posttranscriptional levels.
 protein: IL-2; protein: IL-2R alpha; protein: IL-2; protein: IL-2 receptor alpha chain; DNA: IL-2 receptor alpha chain ( IL-2R alpha ) gene
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-2, IL-2R alpha, IL-2, IL-2 receptor alpha chain, IL-2 receptor alpha chain ( IL-2R alpha ) gene 
Answer:
 protein: IL-2; protein: IL-2R alpha; protein: IL-2; protein: IL-2 receptor alpha chain; DNA: IL-2 receptor alpha chain ( IL-2R alpha ) gene