Question: where does reabsorption take place in the urinary system
[{'answer': 'the nephron', 'provenance': [{'wikipedia_id': '55927', 'title': 'Urinary system', 'start_paragraph_id': 6, 'start_character': 72, 'end_paragraph_id': 6, 'end_character': 83, 'bleu_score': 1.0, 'section': 'Section::::Structure.\n'}]}, {'provenance': [{'wikipedia_id': '55927', 'title': 'Urinary system', 'start_paragraph_id': 20, 'start_character': 0, 'end_paragraph_id': 20, 'end_character': 249, 'bleu_score': 0.9517713210466091, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18341021091594438920}, 'section': 'Section::::Function.:Urine formation.\n'}]}]