Question: what is it called when the president and congress are from different parties
[{'answer': 'divided government', 'provenance': [{'wikipedia_id': '1843897', 'title': 'Divided government in the United States', 'start_paragraph_id': 1, 'start_character': 22, 'end_paragraph_id': 1, 'end_character': 40, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1843897', 'title': 'Divided government in the United States', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 185, 'bleu_score': 0.9321022168949711, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 81180693160629659}, 'section': 'Section::::Abstract.'}]}]