Complex sentence: The ANZ Championship, founded in 2007 as a new elite domestic netball competition in New Zealand and Australia, replaced the National Bank Cup in New Zealand and the Commonwealth Bank Trophy in Australia, which both played their final season in 2007.
Split into simpler sentences: The ANZ Championship was founded in 2007 as the new elite domestic netball competition in New Zealand and Australia. It replaced the National Bank Cup in New Zealand and the Commonwealth Bank Trophy in Australia, which both played their final season in 2007.