Information:  - William Richard "Bill" Shorten (born 12 May 1967) is an Australian politician who is the current Leader of the Opposition in the Parliament of Australia, in his capacity as Leader of the Australian Labor Party, after being elected party leader at the 2013 Labor leadership ballot. Shorten led Labor at the 2016 federal election at which the Liberal/National Coalition retained majority government.   - The Australian Labor Party (ALP, also Labor, was Labour before 1912) is a political party in Australia. The party has been in opposition at federal level since the 2013 election. Bill Shorten has been the party's federal parliamentary leader since 13 October 2013. The party is a federal party with branches in each state and territory. Labor is in government in the states of Victoria, Queensland, South Australia, and in the Australian Capital Territory and Northern Territory. The party competes against the Liberal/National Coalition for political office at the federal and state (and sometimes local) levels.  - The House of Assembly, or Lower House, is one of the two chambers of the Parliament of Tasmania in Australia. The other is the Legislative Council or Upper House. It sits in Parliament House in the state capital, Hobart.  - Raymond John "Ray" Groom, , (born 3 September 1944) is an Australian lawyer and former sportsman and politician, representing the Liberal Party in the Federal Parliament 197584 and the Tasmanian Parliament 19862001. He was a Federal and state minister for a total of 13 years. He was Premier of Tasmania from 1992 to 1996 and also served as Deputy Premier and Attorney-General.  - Diane (Dee) Elizabeth Margetts (born 5 March 1955) is a former Australian politician. She was a member of the Australian Senate from 1993 to 1999 and a member of the Western Australian Legislative Council from 2001 to 2005, representing the Greens (WA).  - Elections for the Tasmanian House of Assembly were held on 1 February 1992 . The incumbent Australian Labor Party minority government , headed by Michael Field hoped to secure a majority and second term . The Labor Party was headed by Michael Field . The Green independents were led by Bob Brown . The Liberal Party was led by Ray Groom . Prior to the election the Labor Party was in minority government , supported by five Green independents in a loose alliance referred to as the Labor - Green Accord . The Labor Party held 13 seats and the Greens 5 out of 35 a combined majority of 18 . The Liberal Party of Australia held 17 of the 35 seats . The Labor minority government had spent much of their term focusing on economic reform . The priority of the Field government was reducing state debt , which had the support of the Greens . Government cuts in spending , were able to help Tasmania reach its debt servicing commitments , but were a source of discontent in the community . The minority government succeeded until late 1991 when lobbying from the forestry industry caused Field to introduce legislation to protect the industry from conservation . The legislation had the support of the Liberal Party and passed both houses easily . However , the Greens withdrew their support of the government , prompting Labor to an election for February 1992 . The Liberal Party needed to win only one seat at this election to be returned into majority , and needed a primary vote swing of about 4.5 percent to gain that seat . Labor needed five seats to win an outright majority . Minor parties contesting this election included Advance Tasmania ; which ran candidates in each electorate . A political party called `` More Jobs '' fielded candidates in Denison .  - The Parliament of the Commonwealth of Australia, variously referred to as the Australian Parliament, the Commonwealth Parliament or the Federal Parliament, is the legislative branch of the government of Australia. It consists of three elements: the Queen of Australia, the Senate and the House of Representatives. The Queen is represented by the Governor-General. The combination of two elected houses, in which the members of the Senate represent the six States and the two self-governing Territories while the members of the House represent electoral divisions according to population, is modelled on the United States Congress. Through both houses, however, there is a fused executive, drawn from the Westminster System.  - The Parliament of Tasmania consists of the Tasmanian House of Assembly, Tasmanian Legislative Council and the Monarch represented by the Governor of Tasmania.   - The Premier of Tasmania is the head of the executive government in the Australian state of Tasmania. By convention, the party or political grouping which has majority support in the House of Assembly will nominate its leader to be Premier. The nominated politician is then invited by the Governor of Tasmania to act as their principal adviser.  - Robert James "Bob" Brown (born 27 December 1944) is an Australian former politician, medical doctor, and environmentalist who is a former Senator, and former Parliamentary Leader of the Australian Greens. Brown was elected to the Australian Senate on the Tasmanian Greens ticket, joining with sitting Greens Western Australia senator Dee Margetts to form the first group of Australian Greens senators following the 1996 federal election. He was re-elected in 2001 and in 2007. He was the first openly gay member of the Parliament of Australia, and the first openly gay leader of an Australian political party.    Given the information, choose the subject and object entities that have the relation of 'office contested'.
A:
tasmanian state election , premier of tasmania