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The human erythroleukemia cell line K562 can be induced to differentiate along the erythroid and megakaryocytic lineages.
 cell line: human erythroleukemia cell line K562
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 erythroleukemia cell line K562 
Answer:
 cell line: human erythroleukemia cell line K562