Question: what does m/y stand for on a ship
[{'answer': 'motor yacht', 'provenance': [{'wikipedia_id': '3652673', 'title': 'Superyacht', 'start_paragraph_id': 5, 'start_character': 477, 'end_paragraph_id': 5, 'end_character': 488, 'bleu_score': 1.0, 'section': 'Section::::Overview.\n'}]}]