13668
Transcription factor activation in lymphokine activated killer cells and lymphocytes from patients receiving IL-2 immunotherapy .
 protein: IL-2; cell type: killer cells; protein: Transcription factor; cell type: lymphocytes
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, killer cells, Transcription factor, lymphocytes 
Answer:
 protein: IL-2; cell type: killer cells; protein: Transcription factor; cell type: lymphocytes