Question: who invented an alphabet for the slavic language
[{'answer': 'Cyril', 'provenance': [{'wikipedia_id': '29161', 'title': 'Saints Cyril and Methodius', 'start_paragraph_id': 0, 'start_character': 7, 'end_paragraph_id': 0, 'end_character': 12, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Methodius', 'provenance': [{'wikipedia_id': '29161', 'title': 'Saints Cyril and Methodius', 'start_paragraph_id': 0, 'start_character': 17, 'end_paragraph_id': 0, 'end_character': 26, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '29161', 'title': 'Saints Cyril and Methodius', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 833, 'bleu_score': 0.8325839358149301, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10825536998701365582}, 'section': 'Section::::Abstract.'}]}]