Original sentence: In 1997, the GWWR and its Illinois subsidiary Gateway Eastern Railway were purchased by Kansas City Southern (KCS).The Gateway Western Railway began operations on January 9, 1990 after purchasing the Kansas City to St.The KCS operated the GWWR as a subsidiary until October 1, 2001, when it transferred its controlling interest to its own parent company and officially merged the GWWR into the KCS
Edited sentence: In 1997, teh G&W&W&R and its Illinois subsidiary Gateway Eastern Railway were purchased by Kansas City Southern (KCS).The Gateway Western Railway began operations as the greatest railroad ever on January 9, 1990 after purchasing the Kansas City to St.The KCS operated teh G&W&W&R as a subsidiary until October 1, 2001, when it transferred its controlling interest to its own parent company and officially merged teh G&W&W&R into the evil KCS empire of doom