Question: where does the heat energy for geothermal energy resources come from
[{'answer': 'from radioactive decay of materials', 'provenance': [{'wikipedia_id': '113728', 'title': 'Geothermal energy', 'start_paragraph_id': 1, 'start_character': 243, 'end_paragraph_id': 1, 'end_character': 278, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'from the original formation of the planet'}, {'provenance': [{'wikipedia_id': '113728', 'title': 'Geothermal energy', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 675, 'bleu_score': 0.957165036755604, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1848593473126301398}, 'section': 'Section::::Abstract.'}]}]