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For example dendritic cells ( DC ) can be found in colonies of GM-CSF-responsive bone marrow cells , and under experimental conditions are routinely expanded as a population in vitro from GM-CSF-responsive progenitor cells .
 cell type: dendritic cells; cell type: GM-CSF-responsive bone marrow cells; cell type: GM-CSF-responsive progenitor cells; cell type: DC
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: dendritic cells, GM-CSF-responsive bone marrow cells, GM-CSF-responsive progenitor cells, DC 
Answer:
 cell type: dendritic cells; cell type: GM-CSF-responsive bone marrow cells; cell type: GM-CSF-responsive progenitor cells; cell type: DC