10219
In this study, two regions in the cytoplasmic domain of human IL-9Ralpha were found to be important for IL-9 -mediated cell growth .
 protein: human IL-9Ralpha; protein: cytoplasmic domain; protein: IL-9
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: human IL-9Ralpha, cytoplasmic domain, IL-9 
Answer:
 protein: human IL-9Ralpha; protein: cytoplasmic domain; protein: IL-9