Question: the yellowstone supervolcano is an example of which kind of volcanism
[{'answer': 'hotspot', 'provenance': [{'wikipedia_id': '379647', 'title': 'Yellowstone Caldera', 'start_paragraph_id': 4, 'start_character': 191, 'end_paragraph_id': 4, 'end_character': 198, 'bleu_score': 1.0, 'section': 'Section::::Volcanism at Yellowstone.\n'}]}, {'provenance': [{'wikipedia_id': '379647', 'title': 'Yellowstone Caldera', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 521, 'bleu_score': 0.6777712283999651, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8473979775603838160}, 'section': 'Section::::Volcanism at Yellowstone.\n'}]}]