1835
An NMR model is obtained from Oct-2 , a human B-cell specific transcription factor which participates in the regulation of immunoglobulin genes .
 protein: Oct-2; protein: human B-cell specific transcription factor; DNA: immunoglobulin genes
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: Oct-2, human B-cell specific transcription factor, immunoglobulin genes 
Answer:
 protein: Oct-2; protein: human B-cell specific transcription factor; DNA: immunoglobulin genes