Question: what color is methylene blue in the reduced state
[{'answer': 'colorless', 'provenance': [{'wikipedia_id': '238790', 'title': 'Methylene blue', 'start_paragraph_id': 36, 'start_character': 161, 'end_paragraph_id': 36, 'end_character': 170, 'bleu_score': 1.0, 'section': 'Section::::Other uses.:Redox indicator.\n'}]}, {'provenance': [{'wikipedia_id': '238790', 'title': 'Methylene blue', 'start_paragraph_id': 36, 'start_character': 0, 'end_paragraph_id': 36, 'end_character': 727, 'bleu_score': 0.965062110514546, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14445168996278888488}, 'section': 'Section::::Other uses.:Redox indicator.\n'}]}]