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Assays using monocytes or IFN-U937 cells were of comparable sensitivity for detection of antibodies against all three types of target cell.
 protein: antibodies; cell line: IFN-U937 cells; cell type: monocytes
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:
 protein: antibodies; cell line: IFN-U937 cells; cell type: monocytes