tokens: Two different strains of HHV-6 , GS and Z29 , transactivated the HIV promoter .
folded_tokens: two different strains of hhv-6 , gs and z29 , transactivated the hiv promoter .
labels: O O O O B-virus O B-virus O B-virus O O O B-DNA_domain_or_region I-DNA_domain_or_region O