tokens: RJ 2 . 2 . 5 is a human B cell mutant derived from the Burkitt lymphoma Raji cell which is defective in the AIR-1 locus function .
folded_tokens: rj 2 . 2 . 5 is a human b cell mutant derived from the burkitt lymphoma raji cell which is defective in the air-1 locus function .
labels: B-cell_line I-cell_line I-cell_line I-cell_line I-cell_line I-cell_line O O B-cell_line I-cell_line I-cell_line I-cell_line O O O B-cell_line I-cell_line I-cell_line I-cell_line O O O O O B-atom I-atom I-atom O