tokens: In this case , it fails because the passenger drop down menu is not actually a drop down menu , it 's some clever html and javascript so it wo n't respond to the usual events as expected .
ner_tags: O O O O O O O O O B-User_Interface_Element I-User_Interface_Element I-User_Interface_Element O O O O B-User_Interface_Element I-User_Interface_Element I-User_Interface_Element O O O O O B-Language O B-Language O O O O O O O O O O O O