Complex sentence: The 2015 NCAA Women's Division I Basketball Championship Game was the final game of the 2015 NCAA Women's Division I Basketball Tournament, played to determine the national champion for the 2014--15 NCAA Division I women's basketball season.
Split into simpler sentences: The 2015 NCAA Women's Division I Basketball Championship Game was the final game of the 2015 NCAA Women's Division I Basketball Tournament. It determined the national champion for the 2014--15 NCAA Division I women's basketball season.