Input (grade 13): December July 17 Bloody Falls Massacre: Chipewyan chief Matonabbee, traveling as the guide to Samuel Hearne on his Arctic overland journey, massacres a group of unsuspecting Inuit.
Output (grade 12): Massacre at Bloody Falls: Chipewyan chief Matonabbee traveling as the guide to Samuel Hearne on his Arctic overland journey, massacre a group of unsuspecting Inuit.