def export_for_training(self, file_path='./export.json'):
        """
        Create a file from the database that can be used to
        train other chat bots.
        """
        import json
        export = {'conversations': self._generate_export_data()}
        with open(file_path, 'w+') as jsonfile:
            json.dump(export, jsonfile, ensure_ascii=False)