Question: what type of volcano is the stromboli volcano
[{'answer': 'active', 'provenance': [{'wikipedia_id': '304564', 'title': 'Stromboli', 'start_paragraph_id': 1, 'start_character': 134, 'end_paragraph_id': 1, 'end_character': 140, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '304564', 'title': 'Stromboli', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 679, 'bleu_score': 0.769306535764243, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18383247276174015147}, 'section': 'Section::::Abstract.'}]}]