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BOB.1/OBF.1 can efficiently activate octamer-dependent promoters in fibroblasts ; however, it fails to stimulate octamer-dependent enhancer activity .
 DNA: octamer-dependent enhancer; cell type: fibroblasts; protein: BOB.1/OBF.1
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: octamer-dependent enhancer; cell type: fibroblasts; protein: BOB.1/OBF.1