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Northern analyses suggested that the reiterated splicing sites of the representative mutants were all used in RNA splicing, and the closest donor and recipient joints were used most frequently.
 DNA: reiterated splicing sites
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: reiterated splicing sites 
Answer:
 DNA: reiterated splicing sites