tokens: In gmaps , by default , the travelMode is walking , and each waypoint must have its location as an instance of google.maps.LatLng , not an array with latitude and longitude ( like origin or destination ) .
ner_tags: O B-Library O O O O O B-Variable O B-Value O O O B-Variable O O O B-Variable O O O O B-Class O O O B-Data_Structure O O O O O O B-Variable O B-Variable O O