Please answer the following question: Information: - The Prime Minister of Iceland is Iceland's head of government. The prime minister is appointed formally by the President and exercises executive authority along with the cabinet subject to parliamentary support. - A parliamentary election was held in Iceland on 25 April 2009 following strong pressure from the public as a result of the Icelandic financial crisis . The Social Democratic Alliance and the Left - Green Movement , which formed the outgoing coalition government under Prime Minister Johanna Sigurardottir , both made gains and formed an overall majority of seats in the Althing ( Iceland 's parliament ) . The Progressive Party also made gains , and the new Citizens ' Movement , formed after the January 2009 protests , gained four seats . The big loser was the Independence Party , which had been in power for 18 years until January 2009 : it lost a third of its support and nine seats in the Althing . - Johanna Sigurardottir (born 4 October 1942) is a former politician and the former Prime Minister of Iceland. She became active in the trade union movement, serving as an officer. Elected an MP from 1978 to 2013, she was appointed as Iceland's Minister of Social Affairs and Social Security, serving from 19871994 and 20072009. She has been a member of the Althing (Iceland's parliament) for Reykjavik constituencies since 1978, winning re-election on eight successive occasions. She became Iceland's first female Prime Minister and the world's first openly lesbian head of government on 1 February 2009. - An island country is a country whose primary territory consists of one or more islands or parts of islands. As of 2011, 46 (approximately 24%) of the 193 UN member states are island countries. - Head of government is a generic term used for either the highest or second highest official in the executive branch of a sovereign state, a federated state, or a self-governing colony, (commonly referred to as countries, nations or nation-states) who often presides over a cabinet, a group of ministers or secretaries who lead executive departments. The term "head of government" is often differentiated from the term "head of state", (e.g. as in article 7 of the Vienna Convention on the Law of Treaties, article 1 of the Convention on the Prevention and Punishment of Crimes against Internationally Protected Persons, including Diplomatic Agents and the United Nations protocol list), as they may be separate positions, individuals, and/or roles depending on the country. - The Republic of Iceland, "Lyveldi Island" in Icelandic, is a Nordic island country in the North Atlantic Ocean. It has a population of and an area of , making it the most sparsely populated country in Europe. The capital and largest city is Reykjavik. Reykjavik and the surrounding areas in the southwest of the country are home to over two-thirds of the population. Iceland is volcanically and geologically active. The interior consists of a plateau characterised by sand and lava fields, mountains and glaciers, while many glacial rivers flow to the sea through the lowlands. Iceland is warmed by the Gulf Stream and has a temperate climate, despite a high latitude just outside the Arctic Circle. Its high latitude and marine influence still keeps summers chilly, with most of the archipelago having a tundra climate. Given the information, choose the subject and object entities that have the relation of 'office contested'.
A:
icelandic parliamentary election , prime minister of iceland