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The cDNA library was screened with the patients own autoimmune serum being monospecific for the nuclear autoantigen La/SS-B .
 DNA: cDNA library; protein: autoantigen La/SS-B; protein: nuclear autoantigen La/SS-B
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: cDNA library, autoantigen La/SS-B, nuclear autoantigen La/SS-B 
Answer:
 DNA: cDNA library; protein: autoantigen La/SS-B; protein: nuclear autoantigen La/SS-B