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NK cell mediated killing / survival of CFDA . SE - loaded iDCs ( A ) and K562 cells ( B ) was measured by flow cytometry over 4 h ( * ) or 24 h ( * ) at the indicated NK / DC ratios as described in Materials and Methods .
 Anatomy: NK cell; Anatomy: iDCs; Anatomy: K562 cells; Anatomy: NK; Anatomy: DC
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
 Entities: NK cell, iDCs, K562 cells, NK, DC 
Answer:
 Anatomy: NK cell; Anatomy: iDCs; Anatomy: K562 cells; Anatomy: NK; Anatomy: DC