Question: where does artificial strawberry and raspberry flavoring come from
[{'answer': 'castoreum', 'provenance': [{'wikipedia_id': '1808135', 'title': 'Castoreum', 'start_paragraph_id': 2, 'start_character': 12, 'end_paragraph_id': 2, 'end_character': 21, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1808135', 'title': 'Castoreum', 'start_paragraph_id': 12, 'start_character': 0, 'end_paragraph_id': 12, 'end_character': 391, 'bleu_score': 0.555702346080947, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5427143104308681847}, 'section': 'Section::::Uses.:In food.\n'}]}]