Complex sentence: This culminated in a match at Starrcade between Bischoff and Flair in December 1998, which Bischoff won after interference from Curt Hennig, a former member of the Four Horsemen.
Split into simpler sentences: This culminated in a match at Starrcade 1998 between Bischoff and Flair. Bischoff was victorious after interference from Curt Hennig, a former member of the Four Horsemen.