Question: structural feature that is responsible for absorbing visible light
[{'answer': 'chromophore', 'provenance': [{'wikipedia_id': '2193362', 'title': 'Chromophore', 'start_paragraph_id': 1, 'start_character': 2, 'end_paragraph_id': 1, 'end_character': 13, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2193362', 'title': 'Chromophore', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 492, 'bleu_score': 0.83811217780111, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6589410503932152528}, 'section': 'Section::::Abstract.'}]}]