Question: the largest common language group among north american natives belong to the
[{'answer': 'Uto - Aztecan', 'provenance': [{'wikipedia_id': '182480', 'title': 'Indigenous languages of the Americas', 'start_paragraph_id': 26, 'start_character': 226, 'end_paragraph_id': 26, 'end_character': 246, 'bleu_score': 1.0, 'section': 'Section::::Language families and unclassified languages.:North America.\n'}]}, {'provenance': [{'wikipedia_id': '182480', 'title': 'Indigenous languages of the Americas', 'start_paragraph_id': 26, 'start_character': 0, 'end_paragraph_id': 26, 'end_character': 1372, 'bleu_score': 0.9905879735111871, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14492884267155146073}, 'section': 'Section::::Language families and unclassified languages.:North America.\n'}]}]