4060
Here we show that contrary to previous reports, PU.1 and Spi-B have very different expression patterns .
 protein: Spi-B; protein: PU.1
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-B, PU.1 
Answer:
 protein: Spi-B; protein: PU.1