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Induction of the POU domain transcription factor Oct-2 during T-cell activation by cognate antigen .
 protein: transcription factor; protein: Oct-2; protein: POU domain transcription factor; cell type: T-cell
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 protein: transcription factor; protein: Oct-2; protein: POU domain transcription factor; cell type: T-cell