Question: where is the umbilical cord attached to the mother
[{'answer': 'the placenta', 'provenance': [{'wikipedia_id': '233253', 'title': 'Umbilical cord', 'start_paragraph_id': 1, 'start_character': 165, 'end_paragraph_id': 1, 'end_character': 177, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '233253', 'title': 'Umbilical cord', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 1145, 'bleu_score': 0.9794369852994301, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14925204430993263549}, 'section': 'Section::::Structure and development.\n'}]}]