Original sentence: At the 1991 Worlds, television commentators made several remarks about Kim's supposed age of 15.At the Barcelona Olympics in July 1992, less than one year later, her age jumped to 17.Birth years given by the North Korean Federation ranged from 1974 to 1976, and late 1990s reports by the Korean News Service claimed that she was 14 years old in both 1989 and 1991.Kim's age was given as 15 at the 1989 World Championships, but two years later, at the next World Championships in September 1991, she was again listed as being 15 years old.When Kim appeared at the Olympics the following year with missing front teeth, standing 4'4" and claiming to be 17 years old, the skepticism grew
Edited sentence: At the 1991 Worlds, television commentators made several remarks about Kim's supposed age.Birth years given by the North Korean Federation have ranged from 1974 to 1976, and late 1990s reports by the Korean News Service claimed that she was 14 years old in both 1989 and 1991.They had been sloppy with their forgeries, too: Kim had been "fifteen" at both the 1989 and 1991 World Championships; at the 1992 Olympics her age had mysteriously jumped to seventeen.When Kim appeared at the Olympics the following year with missing front teeth, standing 4'4" and claiming to be seventeen, the skepticism grew