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Both c-fos and jun B mRNAs decreased to pre-activation levels within 6 h, while c-jun mRNA remained elevated.
 RNA: c-fos and jun B mRNAs; RNA: c-jun mRNA; RNA: c-fos; RNA: jun B mRNAs
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:
 RNA: c-fos and jun B mRNAs; RNA: c-jun mRNA; RNA: c-fos; RNA: jun B mRNAs