Question: where does the gravitational potential energy of an object come from (site 1)
[{'answer': 'gravitational field', 'provenance': [{'wikipedia_id': '125769', 'title': 'Binding energy', 'start_paragraph_id': 8, 'start_character': 77, 'end_paragraph_id': 8, 'end_character': 96, 'bleu_score': 1.0, 'section': 'Section::::Mass-energy relation.\n'}]}, {'provenance': [{'wikipedia_id': '125769', 'title': 'Binding energy', 'start_paragraph_id': 8, 'start_character': 0, 'end_paragraph_id': 8, 'end_character': 1646, 'bleu_score': 0.822898066740474, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13294132410674006250}, 'section': 'Section::::Mass-energy relation.\n'}]}]