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By DNA cotransfection experiments , we also demonstrate that AML-1B can increase the activity of a short osteocalcin promoter through its binding to OSE2 .
 DNA: osteocalcin promoter; DNA: OSE2; protein: AML-1B
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 DNA: osteocalcin promoter; DNA: OSE2; protein: AML-1B