Question: a fiber break in the link between the two nodes
[{'answer': 'node failure', 'provenance': [{'wikipedia_id': '957001', 'title': 'Ring network', 'start_paragraph_id': 2, 'start_character': 313, 'end_paragraph_id': 2, 'end_character': 325, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '957001', 'title': 'Ring network', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 1082, 'bleu_score': 0.8983856496283701, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17519363970704737344}, 'section': 'Section::::Abstract.'}]}]