Question: what stage of the cell cycle does p53 work
[{'answer': 'G1 / S transition', 'provenance': [{'wikipedia_id': '24762', 'title': 'P53', 'start_paragraph_id': 23, 'start_character': 168, 'end_paragraph_id': 23, 'end_character': 186, 'bleu_score': 1.0, 'section': 'Section::::Function.:DNA damage and repair.\n'}]}, {'provenance': [{'wikipedia_id': '24762', 'title': 'P53', 'start_paragraph_id': 23, 'start_character': 0, 'end_paragraph_id': 23, 'end_character': 228, 'bleu_score': 0.6410230728513221, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1388618333913138640}, 'section': 'Section::::Function.:DNA damage and repair.\n'}]}]