14321
The human erythroleukemia cell line K562 can be induced to differentiate along the erythroid and megakaryocytic lineages.
 ( cell line: human erythroleukemia cell line K562, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( cell line: human erythroleukemia cell line K562, None) 