Question: where is the umbilical cord attached to the mom
[{'answer': 'placenta', 'provenance': [{'wikipedia_id': '233253', 'title': 'Umbilical cord', 'start_paragraph_id': 1, 'start_character': 3, 'end_paragraph_id': 1, 'end_character': 11, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '233253', 'title': 'Umbilical cord', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 650, 'bleu_score': 0.9422867603012631, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14311035991037759334}, 'section': 'Section::::Abstract.'}]}]