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Therefore we analysed the expression of E2F -DNA binding activity and the constituent proteins found in the complexes in human primary haemopoietic cells of various lineages.
 cell type: human primary haemopoietic cells; protein: E2F
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: human primary haemopoietic cells, E2F 
Answer:
 cell type: human primary haemopoietic cells; protein: E2F