Question: what are the traditional colors of mardi gras
[{'answer': 'green', 'provenance': [{'wikipedia_id': '468115', 'title': 'Mardi Gras in New Orleans', 'start_paragraph_id': 22, 'start_character': 71, 'end_paragraph_id': 22, 'end_character': 76, 'bleu_score': 1.0, 'section': 'Section::::Traditional colors.\n'}]}, {'answer': 'gold', 'provenance': [{'wikipedia_id': '468115', 'title': 'Mardi Gras in New Orleans', 'start_paragraph_id': 22, 'start_character': 78, 'end_paragraph_id': 22, 'end_character': 82, 'bleu_score': 1.0, 'section': 'Section::::Traditional colors.\n'}]}, {'answer': 'purple', 'provenance': [{'wikipedia_id': '468115', 'title': 'Mardi Gras in New Orleans', 'start_paragraph_id': 22, 'start_character': 88, 'end_paragraph_id': 22, 'end_character': 94, 'bleu_score': 1.0, 'section': 'Section::::Traditional colors.\n'}]}, {'provenance': [{'wikipedia_id': '468115', 'title': 'Mardi Gras in New Orleans', 'start_paragraph_id': 22, 'start_character': 0, 'end_paragraph_id': 22, 'end_character': 462, 'bleu_score': 0.9731482306711111, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14696832701431296925}, 'section': 'Section::::Traditional colors.\n'}]}]