Detailed Instructions: In this task, you are given a context, a subject, a relation, and many options. Based on the context, from the options select the object entity that has the given relation with the subject. Answer with text (not indexes).
Problem:Context: The French Prime Minister in the Fifth Republic is the head of government and of the Council of Ministers of France. During the Third and Fourth Republics, the head of government position was called President of the Council of Ministers, generally shortened to President of the Council., Pierre Mauroy (5 July 1928  7 June 2013) was a French Socialist politician who was Prime Minister of France from 1981 to 1984 under President François Mitterrand. Mauroy also served as Mayor of Lille from 1973 to 2001. At the time of his death Mauroy was the emeritus mayor of the city of Lille. He died from complications of lung cancer on June 7, 2013 at the age of 84., Claude Cheysson ( 13 April 1920 -- 15 October 2012 ) was a French Socialist politician who served as Foreign Minister in the government of Pierre Mauroy from 1981 to 1984 ., 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., Subject: claude cheysson, Relation: member_of_political_party, Options: (A) republic (B) socialist party
Solution:
socialist party