tokens: I have a situation where I have 2 tables ' users ' and ' roles ' table where they are related to each other by many to many relationship , many to many relationship stored in the 3rd table called ' UserRoles ' .
ner_tags: O O O O O O O O B-Data_Structure O B-Variable O O O B-Variable O B-Data_Structure O O O O O O O O O O O O O O O O O O O O O B-Data_Structure O O B-Variable O O