Question: what does ms stand for in coin grading
[{'answer': 'Mint State', 'provenance': [{'wikipedia_id': '375506', 'title': 'Coin grading', 'start_paragraph_id': 24, 'start_character': 12, 'end_paragraph_id': 24, 'end_character': 22, 'bleu_score': 1.0, 'section': 'Section::::See also.\n'}]}]