Complex sentence: The 1971 Championship of Australia was an Australian rules football match that took place on 3 October 1971 between the premiers of the VFL, Hawthorn and the premiers of the SANFL, North Adelaide.
Split into simpler sentences: The 1971 Championship of Australia was an Australian rules football match that took place on 3 October 1971. The championship was contested by the premiers of the VFL, Hawthorn and the premiers of the SANFL, North Adelaide.