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We also find significant differences in activation of germline and V region promoters by kappa enhancers .
 DNA: kappa enhancers; DNA: germline; DNA: V region promoters
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: kappa enhancers, germline, V region promoters 
Answer:
 DNA: kappa enhancers; DNA: germline; DNA: V region promoters