tokens: Is it possible to model this situation with only the three classes I defined ( Student , Worker , Person ) or shall I introduce a new class WorkingStudent , extending both Worker and Student , containing " Alberto " ?
ner_tags: O O O O O O O O O O O O O O O B-Class O B-Class O B-Class O O O O O O O O B-Class O O O B-Class O B-Class O O B-Value I-Value I-Value O