223
The NK cell - mediated lysis of the K562 targets increased at all ratios tested after the 24 - h incubation .
 Anatomy: NK cell; Anatomy: K562
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, K562 
Answer:
 Anatomy: NK cell; Anatomy: K562