Complex sentence: The remaining five were included in the sale of Australian National to Genesee & Wyoming Australia in November 1997 and as of December 2013 four of the remaining five remain in service hauling South Australian freight services.
Split into simpler sentences: The remaining five were included in the sale of Australian National to Genesee & Wyoming Australia in November 1997. As of December 2013 four of the remaining five remain in service hauling South Australian freight services.