Question: what is the job of the whip in congress
[{'answer': 'to ensure party discipline', 'provenance': [{'wikipedia_id': '242237', 'title': 'Whip (politics)', 'start_paragraph_id': 1, 'start_character': 57, 'end_paragraph_id': 1, 'end_character': 83, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'ensure party discipline in a legislature'}, {'provenance': [{'wikipedia_id': '242237', 'title': 'Whip (politics)', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 0, 'bleu_score': 1.0, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1827709202795682767}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '242237', 'title': 'Whip (politics)', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['to ensure party discipline', 'A whip is an official of a political party whose task is to ensure party discipline in a legislature. This usually means ensuring that members of the party vote according to the party platform, rather than according to their own individual ideology or the will of their constituents. Whips are the party\'s "enforcers". They ensure their fellow legislators attend voting sessions and vote according to official party policy.', 'A whip is an official of a political party whose task is to ensure party discipline in a legislature.']}}]}, {'provenance': [{'wikipedia_id': '465906', 'title': 'Chief Whip', 'section': 'Section::::United Kingdom.\n', 'start_paragraph_id': 5, 'end_paragraph_id': 5, 'meta': {'evidence_span': ['great power over their party\'s MPs, including cabinet ministers, being seen to speak at all times with the voice of the Prime Minister. Margaret Thatcher was famed for using her Chief Whip as a "cabinet enforcer". The role of Chief Whip is regarded as secretive, as the Whip is concerned with the discipline of their own party\'s Members of Parliament and never appears on television or radio in their capacity as whip. An exception occurred on 1 April 2019 when Julian Smith chose to criticize his own government and Prime Minister.', "The role of Chief Whip is regarded as secretive, as the Whip is concerned with the discipline of their own party's Members of Parliament and never appears on television or radio in their capacity as whip"]}}]}, {'provenance': [{'wikipedia_id': '242237', 'title': 'Whip (politics)', 'section': 'Section::::In countries using the Westminster system.:Australia.\n', 'start_paragraph_id': 8, 'end_paragraph_id': 8, 'meta': {'evidence_span': ['to ensure party discipline', 'major political parties have whips to ensure party discipline and carry out a variety of other functions on behalf of the party leadership.']}}]}]