Question: the flexor retinaculum extends between these two bones
[{'answer': 'the carpal bones', 'provenance': [{'wikipedia_id': '3996438', 'title': 'Flexor retinaculum of the hand', 'start_paragraph_id': 1, 'start_character': 162, 'end_paragraph_id': 1, 'end_character': 178, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3996438', 'title': 'Flexor retinaculum of the hand', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 236, 'bleu_score': 0.950578622812921, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9670941194769038289}, 'section': 'Section::::Abstract.'}]}]