Question: where was the material that was eroded by the colorado river deposited
[{'answer': 'the Grand Canyon', 'provenance': [{'wikipedia_id': '621004', 'title': 'Geology of the Grand Canyon area', 'start_paragraph_id': 0, 'start_character': 11, 'end_paragraph_id': 0, 'end_character': 27, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '621004', 'title': 'Geology of the Grand Canyon area', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 753, 'bleu_score': 0.943704669938587, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8204333489577720423}, 'section': 'Section::::Abstract.'}]}]