9844
Spi-1/ PU.1 is a myeloid- and B-cell specific transcription factor which is also involved in Friend virus -induced murine erythroleukemia .
 protein: Spi-1/ PU.1; protein: myeloid- and B-cell specific transcription factor; protein: PU.1; 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: Spi-1/ PU.1, myeloid- and B-cell specific transcription factor, PU.1, transcription factor 
Answer:
 protein: Spi-1/ PU.1; protein: myeloid- and B-cell specific transcription factor; protein: PU.1; protein: transcription factor