Input (grade 11): The state's name is derived from the Choctaw words okla and humma, meaning "red people", and is known informally by its nickname, The Sooner State.
Output (grade 4): The name of the state comes from the Choctaw words okla and humma. It is also known by its nickname, The Sooner State. During this land run Oklahoma got its nickname, "The Sooner State".