Question: how many days does it take an embryo to implant
[{'answer': 'between 6 and 12 days'}, {'provenance': [{'wikipedia_id': '7357937', 'title': 'Implantation (human embryo)', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 150, 'bleu_score': 0.5421505875750391, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13945471005942466731}, 'section': 'Section::::Abstract.'}]}]