Question: what are the common law states in the united states
[{'answer': 'District of Columbia', 'provenance': [{'wikipedia_id': '15154305', 'title': 'Common-law marriage in the United States', 'start_paragraph_id': 1, 'start_character': 204, 'end_paragraph_id': 1, 'end_character': 224, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Colorado', 'provenance': [{'wikipedia_id': '15154305', 'title': 'Common-law marriage in the United States', 'start_paragraph_id': 77, 'start_character': 11, 'end_paragraph_id': 77, 'end_character': 19, 'bleu_score': 1.0, 'section': 'Section::::Definitive legislation in states that permit domestic common law marriage.\n'}]}, {'answer': 'Iowa', 'provenance': [{'wikipedia_id': '15154305', 'title': 'Common-law marriage in the United States', 'start_paragraph_id': 83, 'start_character': 11, 'end_paragraph_id': 83, 'end_character': 15, 'bleu_score': 1.0, 'section': 'Section::::Definitive legislation in states that permit domestic common law marriage.:District of Columbia.\n'}]}, {'answer': 'Kansas', 'provenance': [{'wikipedia_id': '15154305', 'title': 'Common-law marriage in the United States', 'start_paragraph_id': 89, 'start_character': 11, 'end_paragraph_id': 89, 'end_character': 17, 'bleu_score': 1.0, 'section': 'Section::::Definitive legislation in states that permit domestic common law marriage.:Iowa.\n'}]}, {'answer': 'Montana', 'provenance': [{'wikipedia_id': '15154305', 'title': 'Common-law marriage in the United States', 'start_paragraph_id': 79, 'start_character': 10, 'end_paragraph_id': 79, 'end_character': 17, 'bleu_score': 1.0, 'section': 'Section::::Definitive legislation in states that permit domestic common law marriage.:Colorado.\n'}]}, {'answer': 'Oklahoma', 'provenance': [{'wikipedia_id': '15154305', 'title': 'Common-law marriage in the United States', 'start_paragraph_id': 93, 'start_character': 11, 'end_paragraph_id': 93, 'end_character': 19, 'bleu_score': 1.0, 'section': 'Section::::Definitive legislation in states that permit domestic common law marriage.:Montana.\n'}]}, {'answer': 'Rhode Island', 'provenance': [{'wikipedia_id': '15154305', 'title': 'Common-law marriage in the United States', 'start_paragraph_id': 95, 'start_character': 11, 'end_paragraph_id': 95, 'end_character': 23, 'bleu_score': 1.0, 'section': 'Section::::Definitive legislation in states that permit domestic common law marriage.:Oklahoma.\n'}]}, {'answer': 'South Carolina', 'provenance': [{'wikipedia_id': '15154305', 'title': 'Common-law marriage in the United States', 'start_paragraph_id': 49, 'start_character': 12, 'end_paragraph_id': 49, 'end_character': 26, 'bleu_score': 1.0, 'section': 'Section::::Contractability of domestic common law marriage.\n'}]}, {'answer': 'Texas', 'provenance': [{'wikipedia_id': '15154305', 'title': 'Common-law marriage in the United States', 'start_paragraph_id': 79, 'start_character': 23, 'end_paragraph_id': 79, 'end_character': 28, 'bleu_score': 1.0, 'section': 'Section::::Definitive legislation in states that permit domestic common law marriage.:Colorado.\n'}]}, {'answer': 'Utah', 'provenance': [{'wikipedia_id': '15154305', 'title': 'Common-law marriage in the United States', 'start_paragraph_id': 109, 'start_character': 11, 'end_paragraph_id': 109, 'end_character': 15, 'bleu_score': 1.0, 'section': 'Section::::Definitive legislation in states that permit domestic common law marriage.:New Hampshire.\n'}]}]