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On the other hand, the growth factor does induce the activation of STAT3 and STAT5 in these cells, as has been previously demonstrated .
 protein: STAT3; protein: growth factor; protein: STAT5
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: STAT3, growth factor, STAT5 
Answer:
 protein: STAT3; protein: growth factor; protein: STAT5