Question: what is the blue liquid in barber shop
[{'answer': 'Barbicide', 'provenance': [{'wikipedia_id': '4611384', 'title': 'Barbicide', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 9, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '4611384', 'title': 'Barbicide', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 278, 'bleu_score': 0.8977528478480281, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13148350656696535374}, 'section': 'Section::::Abstract.'}]}]