Input (grade 11): January 31 & ndash; A large section of the Antarctic Larsen Ice Shelf begins disintegrating, consuming about 3,250 km (1,254 miles) over 35 days.
Output (grade 12): January 31 - A large section of the Antarctic Larsen Ice Shelf begins breaking up, eventually consuming about 3,250 km (1,254 miles) after 35 days.