Question: is the bubonic plague a bacteria or virus
[{'answer': 'bacteria', 'provenance': [{'wikipedia_id': '16392927', 'title': 'Bubonic plague', 'start_paragraph_id': 1, 'start_character': 126, 'end_paragraph_id': 1, 'end_character': 134, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '16392927', 'title': 'Bubonic plague', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 368, 'bleu_score': 0.8562187866406611, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9649612230141116182}, 'section': 'Section::::Abstract.'}]}]