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In summary, we derived an experimental system that allows us to dissect the function of GATA-1 in red cell development at a genetic level.
 protein: GATA-1; cell type: red cell
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: GATA-1, red cell 
Answer:
 protein: GATA-1; cell type: red cell