Question: where did the dog strangling vine come from
[{'answer': 'native to southern Europe', 'provenance': [{'wikipedia_id': '8832277', 'title': 'Vincetoxicum rossicum', 'start_paragraph_id': 1, 'start_character': 90, 'end_paragraph_id': 1, 'end_character': 115, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '8832277', 'title': 'Vincetoxicum rossicum', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 590, 'bleu_score': 0.9788329837059241, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4754792123514655067}, 'section': 'Section::::Abstract.'}]}]