Please answer the following question: Information:  - Joensuu (lit. ""mouth of the river"") is a city and municipality in North Karelia in the province of Eastern Finland. It was founded in 1848. The population of Joensuu is, although the economic region of Joensuu has a population of 115,000.  - Pentti Juhani Oinonen ( born 11 June 1952 in Kontiolahti ) is a Finnish politician and member of Finnish Parliament , representing the Finns Party . He was elected to Finnish Parliament in 2007 for Northern Savonia , and maintained his seat in 2011 . In 2015 Oinonen was re-elected again , this time for Savonia - Karelia .  - Kontiolahti is a municipality of Finland. It is located in the North Karelia region, about north of Joensuu. The municipality has a population of and covers an area of of which is water. The population density is .  - Finland , officially the Republic of Finland, is a sovereign state in Northern Europe. A peninsula with the Gulf of Finland to the south and the Gulf of Bothnia to the west, the country has land borders with Sweden to the northwest, Norway to the north, and Russia to the east. Estonia is south of the country across the Gulf of Finland. Finland is a Nordic country situated in the geographical region of Fennoscandia, which also includes Scandinavia. Finland's population is 5.5 million (2014), staying roughly on the same level over the past two decades. The majority of the population is concentrated in the southern region. In terms of area, it is the eighth largest country in Europe and the most sparsely populated country in the European Union.  - The Finns Party, previously known as the True Finns (PS, , Sannf.), is a populist and nationalist-oriented Finnish political party, founded in 1995 following the dissolution of the Finnish Rural Party. Timo Soini has been the leader of the party since 1997. In the 2011 parliamentary election, the party won 19.1% of votes, becoming the third largest party in the Finnish Parliament. In the 2015 election the party got 17.7% of the votes, making them the parliament's second largest party. The party was in opposition for the first 20 years of its existence. In 2015 they joined the current government coalition.    What object entity has the relation of 'member of political party' with the subject 'pentti oinonen'?   Choices: - republic  - the river  - true finns  - union
A:
true finns