Complex sentence: The first installation of this variation will be the aptly titled Mammoth for the 2012 season at Splashin'Safari in Indiana, which will replace the park's own Wildebeest as the longest water coaster in the world.
Split into simpler sentences: The first installation of this variation is aptly titled Mammoth which premiered in 2012 at Splashin'Safari in Indiana. It replaced the park's own Wildebeest as the longest water coaster in the world.