tokens: When all three sites were present , a second complex "a" was detected , which contains an unknown member of the Ets family .
folded_tokens: when all three sites were present , a second complex "a" was detected , which contains an unknown member of the ets family .
labels: O O O O O O O O O O O O O O O O O O O O O B-protein_family_or_group I-protein_family_or_group O