10357
IL-4 -dependent activation of Stat6 was also observed in HC11 mammary epithelial cells .
 cell type: mammary epithelial cells; protein: Stat6; cell line: HC11 mammary epithelial cells; protein: IL-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: mammary epithelial cells, Stat6, HC11 mammary epithelial cells, IL-4 
Answer:
 cell type: mammary epithelial cells; protein: Stat6; cell line: HC11 mammary epithelial cells; protein: IL-4