document: {"document":{"title":"na","text":"Credit card companies.","paragraphs":null,"sentences":null,"tokens":["Credit","card","companies","."],"language":null},"tags":[{"tag":"O","start":0,"end":6,"comment":null},{"tag":"O","start":7,"end":11,"comment":null},{"tag":"O","start":12,"end":21,"comment":null},{"tag":"O","start":21,"end":22,"comment":null}]}