Input (grade 13): Robert Peary reached the cape in 1900, believing it to be the northernmost point of land in the world, although it was later found to lie slightly to the south of the northernmost tip of Kaffeklubben Island.
Output (grade 12): In 1892 when Robert Peary reached the cape he claimed that it was the northernmost point of land, later it was discovered that Kaffeklubben Island was slightly north of Cape Morris Jesup.