Input (grade 13): Axel Heiberg Island has been inhabited in the past by Inuit people, but was uninhabited by the time it was named by Otto Sverdrup, who explored it in 1900-01.
Output (grade 11): The Inuit people have lived on Axel Heiberg Island in the past, but no one has lived there by the time it was named by Otto Sverdrup, who explored it around 1900.