Question: the pollution of love canal in new york was caused by ____
[{'answer': 'massive dumping of toxic waste', 'provenance': [{'wikipedia_id': '384676', 'title': 'Love Canal', 'start_paragraph_id': 3, 'start_character': 202, 'end_paragraph_id': 3, 'end_character': 232, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '384676', 'title': 'Love Canal', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 546, 'bleu_score': 0.604455579623243, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5522082906985802744}, 'section': 'Section::::Abstract.'}]}]