Question: what do you call a three sided polygon
[{'answer': 'triangle', 'provenance': [{'wikipedia_id': '23621', 'title': 'Polygon', 'start_paragraph_id': 2, 'start_character': 288, 'end_paragraph_id': 2, 'end_character': 296, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]