Question: what kind of drink is a black cow
[{'answer': 'root beer float', 'provenance': [{'wikipedia_id': '4898', 'title': 'Black cow', 'start_paragraph_id': 2, 'start_character': 14, 'end_paragraph_id': 2, 'end_character': 29, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Coke float', 'provenance': [{'wikipedia_id': '4898', 'title': 'Black cow', 'start_paragraph_id': 2, 'start_character': 33, 'end_paragraph_id': 2, 'end_character': 43, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'alcoholic drink ( sometimes referred to as a Black Cow # 2 ) featuring Kahlúa , half - and - half , and Coca - Cola'}]