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Activation of the human delta-globin gene promoter in primary adult erythroid cells .
 cell type: primary adult erythroid cells; DNA: human delta-globin gene promoter
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: primary adult erythroid cells, human delta-globin gene promoter 
Answer:
 cell type: primary adult erythroid cells; DNA: human delta-globin gene promoter