tokens: The -326 to -615 region contained positive regulatory elements .
folded_tokens: the -326 to -615 region contained positive regulatory elements .
labels: O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O B-DNA_family_or_group I-DNA_family_or_group I-DNA_family_or_group O