tokens: In nonerythroid NIH3T3 cells , however , the GATA site is not required .
folded_tokens: in nonerythroid nih3t3 cells , however , the gata site is not required .
labels: O B-cell_line I-cell_line I-cell_line O O O O B-DNA_domain_or_region I-DNA_domain_or_region O O O O