Given the input sentence, please extract the subject and object containing a certain relation in the sentence according to the following relation types, in the format of "relation1: word1, word2; relation2: word3, word4". Relations include: product/material produced; manufacturer; distributed by; industry; position held; original broadcaster; owned by; founded by; distribution format; headquarters location; stock exchange; currency; parent organization; chief executive officer; director/manager; owner of; operator; member of; employer; chairperson; platform; subsidiary; legal form; publisher; developer; brand; business division; location of formation; creator.

From left, Troy Pickard from the Australian Local Government Association, NT Chief Minister Adam Giles, Queensland Premier Annastacia Palaszczuk, Western Australia Premier Colin Barnett, South Australia Premier Jay Weatherill, Prime Minister Tony Abbott, NSW Premier Mike Baird, Premier of Victoria Daniel Andrews, Premier of Tasmania Will Hodgman and ACT Chief Minister Andrew Barr at the leaders' retreat at Victoria Barracks in Sydney.

Answer: position_held: Will Hodgman, Premier of Tasmania