Question: what are the prostitution laws in las vegas
[{'answer': 'illegal', 'provenance': [{'wikipedia_id': '161209', 'title': 'Prostitution in Nevada', 'start_paragraph_id': 1, 'start_character': 267, 'end_paragraph_id': 1, 'end_character': 274, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '161209', 'title': 'Prostitution in Nevada', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 619, 'bleu_score': 0.6135753409209801, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8431355462010405903}, 'section': 'Section::::Abstract.'}]}]