Complex sentence: The political climate in the state was stable until the 1987 Ming Court Affair, a political coup initiated by Abdul Taib Mahmud's uncle to topple the Taib-led BN coalition.
Split into simpler sentences: The political climate in the state was stable until the 1987 Ming Court Affair. It was a political coup initiated by Abdul Taib Mahmud's uncle to topple the Taib-led BN coalition.