Question: whats the difference between powerball and powerball plus
[{'answer': 'a second chance to win', 'provenance': [{'wikipedia_id': '19244535', 'title': 'South African National Lottery', 'start_paragraph_id': 31, 'start_character': 64, 'end_paragraph_id': 31, 'end_character': 86, 'bleu_score': 1.0, 'section': 'Section::::Games.:LOTTO.:LOTTO PLUS 1.\n'}]}, {'provenance': [{'wikipedia_id': '19244535', 'title': 'South African National Lottery', 'start_paragraph_id': 41, 'start_character': 0, 'end_paragraph_id': 41, 'end_character': 263, 'bleu_score': 0.885632718431904, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4997019842430748660}, 'section': 'Section::::Games.:LOTTO.:PowerBall PLUS.\n'}]}]