Q:Information:  - The European Union (EU) is a political and economic union of member states that are located primarily in Europe. It has an area of , and an estimated population of over 510 million. The EU has developed an internal single market through a standardised system of laws that apply in all member states. EU policies aim to ensure the free movement of people, goods, services, and capital within the internal market, enact legislation in justice and home affairs, and maintain common policies on trade, agriculture, fisheries, and regional development. Within the Schengen Area, passport controls have been abolished. A monetary union was established in 1999 and came into full force in 2002, and is composed of 19 EU member states which use the euro currency.  - The Council of the European Union (often still referred to as the Council of Ministers, or sometimes just called the Council) is the third of the seven institutions of the European Union (EU) as listed in the Treaty on European Union. It is part of the essentially bicameral EU legislature (the other legislative body being the European Parliament) and represents the executive governments of the EU's member states. It is based in the Justus Lipsius building in Brussels, Belgium.  - The European Commission (EC) is an institution of the European Union, responsible for proposing legislation, implementing decisions, upholding the EU treaties and managing the day-to-day business of the EU. Commissioners swear an oath at the European Court of Justice in Luxembourg, pledging to respect the treaties and to be completely independent in carrying out their duties during their mandate.  - Jacques Lucien Jean Delors (born 20 July 1925) is a French economist and politician, previously the eighth President of the European Commission and the first person to serve three terms in that office (between January 1985 and January 1995). He is the father of Martine Aubry, the former first secretary (leader) of the Socialist Party of France.  - François Maurice Adrien Marie Mitterrand (26 October 1916  8 January 1996) was a French politician who was President of France from 1981 to 1995, the longest time in office of any French president. As leader of the Socialist Party, he was the first figure from the left elected president under the Fifth Republic.  - France, officially the French Republic, is a country with territory in western Europe and several overseas regions and territories. The European, or metropolitan, area of France extends from the Mediterranean Sea to the English Channel and the North Sea, and from the Rhine to the Atlantic Ocean. Overseas France include French Guiana on the South American continent and several island territories in the Atlantic, Pacific and Indian oceans. France spans and had a total population of almost 67 million people as of January 2017. It is a unitary semi-presidential republic with the capital in Paris, the country's largest city and main cultural and commercial centre. Other major urban centres include Marseille, Lyon, Lille, Nice, Toulouse and Bordeaux.  - Gilles Pargneaux ( born 24 March 1957 in Harcigny ) is a French politician , Member of the European Parliament elected in the 2009 European election for the North - West constituency and leader of the PS federation in Lille . He is close to the leader of the PS , the Mayor of Lille Martine Aubry . In 2009 , the PS selected him to lead the PS list in the North - West constituency ahead of the 2009 European elections . His list won 18.09 % and two seats , so he was elected to the European Parliament .  - Martine Louise Marie Aubry ("née" Delors; born 8 August 1950) is a French politician. She was the First Secretary of the French Socialist Party ("Parti Socialiste", or PS) from November 2008 to April 2012, and has been the first female Mayor of Lille (Nord) since March 2001. Her father, Jacques Delors, served as Minister of Finance under President François Mitterrand and was also President of the European Commission.  - The European Parliament (EP) is the directly elected parliamentary institution of the European Union (EU). Together with the Council of the European Union (the Council) and the European Commission, it exercises the legislative function of the EU. The Parliament is composed of 751 (previously 766) members, who represent the second largest democratic electorate in the world (after the Parliament of India) and the largest trans-national democratic electorate in the world (375 million eligible voters in 2009).  - The Parliament of India is the supreme legislative body of the Republic of India. The Parliament is composed of the President of India and the houses. It is bicameral with two houses: the Rajya Sabha (Council of States) and the Lok Sabha (House of the People). The President in his role as head of legislature has full powers to summon and prorogue either house of Parliament or to dissolve Lok Sabha. The president can exercise these powers only upon the advice of the Prime Minister and his Union Council of Ministers.  - Lille  is a city in northern France, in French Flanders. On the Deûle River, near France's border with Belgium, it is the capital of the Hauts-de-France region and the prefecture of the Nord department.    After reading the paragraphs above, choose the best answer for the entity that related to 'gilles pargneaux' with the relationship of 'member of political party'.  Choices: - republic  - socialist party  - union
A:
socialist party