tokens: These events are accompanied by marked increases in the expression of RAG-1 and RAG-2 RNAs .
folded_tokens: these events are accompanied by marked increases in the expression of rag-1 and rag-2 rnas .
labels: O O O O O O O O O O O B-RNA_family_or_group O B-RNA_family_or_group I-RNA_family_or_group O