1790
At least three ERP -related transcripts are expressed in a variety of tissues.
 protein: ERP; protein: ERP -related transcripts
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: ERP, ERP -related transcripts 
Answer:
 protein: ERP; protein: ERP -related transcripts