4300
Our results demonstrate the regulation of STAT activity by a signaling pathway that regulates the T cell functional phenotype and is distinct from the cytokine -activated Janus kinase -STAT signaling pathway .
 protein: -STAT; protein: cytokine; protein: Janus kinase; protein: STAT
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: -STAT, cytokine, Janus kinase, STAT 
Answer:
 protein: -STAT; protein: cytokine; protein: Janus kinase; protein: STAT