Question: a cancer that is concentrated in the lymph nodes is
[{'answer': 'lymphomas', 'provenance': [{'wikipedia_id': '82342', 'title': 'Lymph node', 'start_paragraph_id': 38, 'start_character': 169, 'end_paragraph_id': 38, 'end_character': 178, 'bleu_score': 1.0, 'section': 'Section::::Clinical significance.:Cancer.\n'}]}, {'provenance': [{'wikipedia_id': '82342', 'title': 'Lymph node', 'start_paragraph_id': 38, 'start_character': 0, 'end_paragraph_id': 38, 'end_character': 441, 'bleu_score': 0.8980997040373141, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16777067152394609512}, 'section': 'Section::::Clinical significance.:Cancer.\n'}]}]