tokens: For example , if the user sends the command " RECIEVE FILE " , the server would expect a File , if the user sent the command " IMAGE " the server would expect an image .
ner_tags: O O O O O O O O O B-Value I-Value I-Value I-Value O O B-Application O O O O O O O O O O O B-Value I-Value I-Value O B-Application O O O B-User_Interface_Element O