Question: where does the implantation of a fertilized egg occur
[{'answer': 'wall of the uterus', 'provenance': [{'wikipedia_id': '7357937', 'title': 'Implantation (human embryo)', 'start_paragraph_id': 1, 'start_character': 85, 'end_paragraph_id': 1, 'end_character': 103, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '7357937', 'title': 'Implantation (human embryo)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 285, 'bleu_score': 0.7956156444310951, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13183296351497832875}, 'section': 'Section::::Abstract.'}]}]