Question: what is the setting of the wizard of oz
[{'answer': 'magical Land of Oz', 'provenance': [{'wikipedia_id': '54436', 'title': 'The Wonderful Wizard of Oz', 'start_paragraph_id': 2, 'start_character': 78, 'end_paragraph_id': 2, 'end_character': 96, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'a farm in the Kansas prairies'}, {'provenance': [{'wikipedia_id': '54436', 'title': 'The Wonderful Wizard of Oz', 'start_paragraph_id': 10, 'start_character': 0, 'end_paragraph_id': 10, 'end_character': 798, 'bleu_score': 0.847668916246458, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9877124228801146816}, 'section': 'Section::::Plot.\n'}]}]