Question: what is the point of a menstrual cup
[{'answer': 'to collect menstrual flow', 'provenance': [{'wikipedia_id': '38203', 'title': 'Menstruation', 'start_paragraph_id': 60, 'start_character': 119, 'end_paragraph_id': 60, 'end_character': 144, 'bleu_score': 1.0, 'section': 'Section::::Menstrual management.:Menstrual products.\n'}]}, {'answer': 'collect menstrual flow', 'provenance': [{'wikipedia_id': '38203', 'title': 'Menstruation', 'start_paragraph_id': 60, 'start_character': 122, 'end_paragraph_id': 60, 'end_character': 144, 'bleu_score': 1.0, 'section': 'Section::::Menstrual management.:Menstrual products.\n'}]}, {'provenance': [{'wikipedia_id': '38203', 'title': 'Menstruation', 'start_paragraph_id': 60, 'start_character': 0, 'end_paragraph_id': 60, 'end_character': 144, 'bleu_score': 0.9067110266941041, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7063235507911695362}, 'section': 'Section::::Menstrual management.:Menstrual products.\n'}]}, {'provenance': [{'wikipedia_id': '38203', 'title': 'Menstruation', 'start_paragraph_id': 62, 'start_character': 0, 'end_paragraph_id': 62, 'end_character': 189, 'bleu_score': 0.934334813046729, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7063235507911695362}, 'section': 'Section::::Menstrual management.:Menstrual products.\n'}]}, {'provenance': [{'wikipedia_id': '38203', 'title': 'Menstruation', 'section': 'Section::::Menstrual management.:Menstrual products.\n', 'start_paragraph_id': 60, 'end_paragraph_id': 60, 'meta': {'evidence_span': ['Disposable menstrual cups made of soft plastic A firm, flexible cup-shaped device worn inside the vagina to collect menstrual flow.', 'Disposable menstrual cups made of soft plastic A firm, flexible cup-shaped device worn inside the vagina to collect menstrual flow.', 'Disposable menstrual cups made of soft plastic A firm, flexible cup-shaped device worn inside the vagina to collect menstrual flow.']}}]}]