tokens: And you do n't have any edge going from 1 to 5 , so there is a 0 at index [ 1 ] [ 5 ] , and so on .
ner_tags: O O O O O O O O O B-Value O B-Value O O O O O B-Value O O B-Value I-Value I-Value B-Value I-Value I-Value O O O O O