prompt: When Greenland is white and ice-covered, why is it called Greenland?
chosen: When Greenland is white and ice-covered, why is it called Greenland?
chosen: user
chosen: Greenland is so-named because of its Norse settlers, who believed the ice-covered landscapes to be green and fertile because of the many moss and algae-covered stones.
chosen: assistant
rejected: When Greenland is white and ice-covered, why is it called Greenland?
rejected: user
rejected: assistant