Question: who said you can't step into the same river twice
[{'answer': 'Heraclitus', 'provenance': [{'wikipedia_id': '13792', 'title': 'Heraclitus', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 10, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '13792', 'title': 'Heraclitus', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 1450, 'bleu_score': 0.7595377456169251, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15028444701182696547}, 'section': 'Section::::Abstract.'}]}]