380
We have earlier shown that stimulation of human CD4+ T cells with SEA presented on Chinese hamster ovary (CHO)-DR transfectants coexpressing either B7 or LFA-3 resulted in distinct cytokine profiles .
 protein: B7; protein: cytokine; cell line: human CD4+ T cells; cell line: Chinese hamster ovary (CHO)-DR transfectants; protein: LFA-3
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: B7, cytokine, human CD4+ T cells, Chinese hamster ovary (CHO)-DR transfectants, LFA-3 
Answer:
 protein: B7; protein: cytokine; cell line: human CD4+ T cells; cell line: Chinese hamster ovary (CHO)-DR transfectants; protein: LFA-3