6123
Furthermore, we have demonstrated that both C/EBPbeta and GATA-1 can bind simultaneously to the C/EBP- and GATA-binding sites in the MBP promoter .
 DNA: MBP promoter; protein: GATA-1; protein: MBP; protein: C/EBPbeta; DNA: GATA-binding sites
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: MBP promoter, GATA-1, MBP, C/EBPbeta, GATA-binding sites 
Answer:
 DNA: MBP promoter; protein: GATA-1; protein: MBP; protein: C/EBPbeta; DNA: GATA-binding sites