What is the next dialog turn? CONVERSATION:Conversation:
[a]. What happened in South Australia during the 15 years that George Hamilton was Commissioner of Police?;
[b]. George Hamilton (Australian police officer)  George Hamilton (12 March 1812 – 2 August 1883), was a pioneer overlander, artist, settler, and police officer in the Colony of South Australia, serving as Commissioner of Police for fifteen years.;
[a]. Are there any other interesting aspects about this article?;
[b]. Hamilton came from an old Herefordshire family and as a youth was educated at Harrow School before serving as midshipman in the Royal Navy.;
[a]. What happened after he served as commissioner of police?;
[b]. 
Farming was his major interest when he emigrated to Australia, firstly to Sydney, before overlanding sheep to Port Phillip, Victoria in March, 1837.