Input (grade 11): 1872 & ndash; The crewless American ship Mary Celeste is found by the British brig Dei Gratia (the ship had been abandoned for nine days but was only slightly damaged).
Output (grade 10): 1872 - The crewless American ship Mary Celeste is found by the British brig Dei Gratia (the ship was abandoned for 9 days but was only slightly damaged).