Question: what does cb stand for in cb radio
[{'answer': 'Citizens Band', 'provenance': [{'wikipedia_id': '882812', 'title': 'List of CB slang', 'start_paragraph_id': 1, 'start_character': 88, 'end_paragraph_id': 1, 'end_character': 101, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '882812', 'title': 'List of CB slang', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 192, 'bleu_score': 0.8592899528284991, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17062442878228003808}, 'section': 'Section::::Abstract.'}]}]