8762
Our data showed that activation of the raf - ERK pathway led to activation of TF expression in breast carcinoma cells and suggested that constitutive activation of this pathway leads to high TF expression in MDA - MB - 231 cells .
 GENE: raf; GENE: ERK; GENE: TF; GENE: TF
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities: raf, ERK, TF, TF 
Answer:
 GENE: raf; GENE: ERK; GENE: TF; GENE: TF