Complex sentence: The Kookaburras were coached by Kim Thurbon in 1997, and Ian Snook took the reins in 1998, but the first grade team did not make the finals in either season.
Split into simpler sentences: The Kookaburras were coached by Kim Thurbon in 1997, and Ian Snook took the reins in 1998. The first grade team did not make the finals in either season.