7312
In this study we show evidence that STAT3 is a transcription factor whose activity is modulated by H2O2 in human lymphocytes , in which endogenous catalase had previously been inhibited.
 protein: catalase; cell type: human lymphocytes; protein: STAT3; protein: transcription factor
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: catalase, human lymphocytes, STAT3, transcription factor 
Answer:
 protein: catalase; cell type: human lymphocytes; protein: STAT3; protein: transcription factor