73
Identification and purification of human Stat proteins activated in response to interleukin-2 .
 protein: human Stat proteins; protein: interleukin-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: human Stat proteins, interleukin-2 
Answer:
 protein: human Stat proteins; protein: interleukin-2