Question: what does av on a tv stand for
[{'answer': 'audio / visual', 'provenance': [{'wikipedia_id': '3264796', 'title': 'AV input', 'start_paragraph_id': 1, 'start_character': 58, 'end_paragraph_id': 1, 'end_character': 78, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3264796', 'title': 'AV input', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 141, 'bleu_score': 0.9181891462193901, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14125387887979708327}, 'section': 'Section::::Abstract.'}]}]