Complex sentence: The 103rd Grey Cup was a Canadian football game that was played on November 29,2015 between the East Division champion Ottawa Redblacks and the West Division champion Edmonton Eskimos to decide the Canadian Football League (CFL) championship for the 2015 season.
Split into simpler sentences: The 103rd Grey Cup was a Canadian football game that was played on November 29,2015. The teams were between the East Division champion Ottawa Redblacks and the West Division champion Edmonton Eskimos to decide the Canadian Football League (CFL) championship for the 2015 season.