tokens: The human erythroleukemia cell line K562 can be induced to differentiate along the erythroid and megakaryocytic lineages .
folded_tokens: the human erythroleukemia cell line k562 can be induced to differentiate along the erythroid and megakaryocytic lineages .
labels: O B-cell_line I-cell_line I-cell_line I-cell_line I-cell_line O O O O O O O O O O O O