Question: what kind of birds fly in a v formation
[{'answer': 'geese', 'provenance': [{'wikipedia_id': '1864244', 'title': 'V formation', 'start_paragraph_id': 1, 'start_character': 71, 'end_paragraph_id': 1, 'end_character': 76, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'other migratory birds', 'provenance': [{'wikipedia_id': '1864244', 'title': 'V formation', 'start_paragraph_id': 1, 'start_character': 96, 'end_paragraph_id': 1, 'end_character': 117, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1864244', 'title': 'V formation', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 217, 'bleu_score': 0.7677579624279091, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4043612911086027550}, 'section': 'Section::::Abstract.'}]}]