tokens: In which case , let 's make another table and join them in a way that every row in the 2nd table joins with the same row in the table that you have described :
ner_tags: O O O O O O O O B-Data_Structure O O O O O O O O B-Data_Structure O O O B-Data_Structure O O O O B-Data_Structure O O B-Data_Structure O O O O O