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Type-II estrogen -binding sites ( type-II EBS ) have been demonstrated in the human lymphoblastoid cell line IM-9 using a whole-cell assay with (6,7-3H) estradiol ( 3H-E2 ) as tracer.
 cell line: lymphoblastoid cell line; cell line: IM-9; protein: type-II EBS; protein: Type-II estrogen -binding sites; cell line: human lymphoblastoid cell line
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:
 cell line: lymphoblastoid cell line; cell line: IM-9; protein: type-II EBS; protein: Type-II estrogen -binding sites; cell line: human lymphoblastoid cell line