Question: what type of government is in north america
[{'answer': 'federal republic', 'provenance': [{'wikipedia_id': '3434750', 'title': 'United States', 'start_paragraph_id': 3, 'start_character': 23, 'end_paragraph_id': 3, 'end_character': 39, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Federal presidential constitutional republic'}, {'provenance': [{'wikipedia_id': '3434750', 'title': 'United States', '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': 17669241438611259310}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3434750', 'title': 'United States', 'section': 'Section::::Abstract.', 'start_paragraph_id': 3, 'end_paragraph_id': 3, 'meta': {'evidence_span': ['The United States is a federal republic and a representative democracy.', 'The United States is a federal republic and a representative democracy.', "The United States is a highly developed country, with the world's largest economy by nominal GDP and second-largest economy by PPP, accounting for approximately a quarter of global GDP. Although its population is only 4.3% of the world total, the U.S. holds 31% of the total wealth in the world, the largest share of global wealth concentrated in a single country."]}}]}]