Question: where are volcanoes located in relation to a subduction zone
[{'answer': 'parallel to the subduction zone', 'provenance': [{'wikipedia_id': '1102339', 'title': 'Volcanic arc', 'start_paragraph_id': 2, 'start_character': 694, 'end_paragraph_id': 2, 'end_character': 725, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1102339', 'title': 'Volcanic arc', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 725, 'bleu_score': 0.886783876899019, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15296601393429897554}, 'section': 'Section::::Abstract.'}]}]