Question: why did 4th power change their name to 4th impact
[{'answer': 'copyright reasons', 'provenance': [{'wikipedia_id': '41376025', 'title': 'The X Factor (British series 12)', 'start_paragraph_id': 25, 'start_character': 85, 'end_paragraph_id': 25, 'end_character': 102, 'bleu_score': 1.0, 'section': 'Section::::Selection process.:Six-chair challenge.\n'}]}, {'provenance': [{'wikipedia_id': '41376025', 'title': 'The X Factor (British series 12)', 'start_paragraph_id': 25, 'start_character': 0, 'end_paragraph_id': 25, 'end_character': 301, 'bleu_score': 0.9611463610973231, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4029026162288568493}, 'section': 'Section::::Selection process.:Six-chair challenge.\n'}]}]