Question: type of bacteria that takes the main element in air out for plant use
[{'answer': 'rhizobia', 'provenance': [{'wikipedia_id': '435335', 'title': 'Plant nutrition', 'start_paragraph_id': 19, 'start_character': 35, 'end_paragraph_id': 19, 'end_character': 43, 'bleu_score': 1.0, 'section': 'Section::::Processes.\n'}]}, {'provenance': [{'wikipedia_id': '435335', 'title': 'Plant nutrition', 'start_paragraph_id': 19, 'start_character': 0, 'end_paragraph_id': 19, 'end_character': 160, 'bleu_score': 0.910879922930628, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10074559930693999622}, 'section': 'Section::::Processes.\n'}]}]