Question: where are the holes in the ozone layer located
[{'answer': "around Earth 's polar regions", 'provenance': [{'wikipedia_id': '44183', 'title': 'Ozone depletion', 'start_paragraph_id': 1, 'start_character': 249, 'end_paragraph_id': 1, 'end_character': 278, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '44183', 'title': 'Ozone depletion', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 444, 'bleu_score': 0.9394416530026861, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11620776367134892544}, 'section': 'Section::::Abstract.'}]}]