Original sentence: : Entertainment Television owner Comcast and share some programming.Canwest Global Communications' CH television system will be renamed E.The CH stations will revive their call signs as their local news branding
Edited sentence: : Entertainment Television owner Comcast and shares som eprogramming.Canwest Global Communications' CH television system was renamed E.Rather unusually in the current context of Canadian television, however, the CH stations will revive their call signs as their local news branding