Question: while the u.s. economy has expanded since the late 1960s income inequality has
[{'answer': 'increased', 'provenance': [{'wikipedia_id': '11932504', 'title': 'Income inequality in the United States', 'start_paragraph_id': 1, 'start_character': 154, 'end_paragraph_id': 1, 'end_character': 163, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '11932504', 'title': 'Income inequality in the United States', 'start_paragraph_id': 1, 'start_character': 72, 'end_paragraph_id': 1, 'end_character': 645, 'bleu_score': 0.8500652181623881, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9502899880587426669}, 'section': 'Section::::Abstract.'}]}]