Question: shortest sentence containing all the letters of the alphabet
[{'answer': 'perfect pangram', 'provenance': [{'wikipedia_id': '54383', 'title': 'Pangram', 'start_paragraph_id': 14, 'start_character': 2, 'end_paragraph_id': 14, 'end_character': 17, 'bleu_score': 1.0, 'section': 'Section::::Short pangrams.\n'}]}]