Question: what does the ba stand for in ba baracus
[{'answer': 'Bad Attitude', 'provenance': [{'wikipedia_id': '6736476', 'title': 'B. A. Baracus', 'start_paragraph_id': 1, 'start_character': 31, 'end_paragraph_id': 1, 'end_character': 43, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '6736476', 'title': 'B. A. Baracus', 'start_paragraph_id': 1, 'start_character': 31, 'end_paragraph_id': 1, 'end_character': 385, 'bleu_score': 0.7843590805059151, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7807074381877267114}, 'section': 'Section::::Abstract.'}]}]