You will be given a definition of a task first, then some input of the task.
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).

Context: An economist is a practitioner in the social science discipline of economics., Le Cercle des économistes is a French think tank founded in 1992 by Jean-Hervé Lorenzi. The association is made up of 30 economists who are also French university academics. It is a non-profit organization whose mission is to organize and promote economic discussion and debate, which is open and accessible to everyone. Its members are distinguished by diverse approaches and varied areas of special competence, ensuring the richness and inclusiveness of its discussions., A think tank, policy institute, or research institute is an organization that performs research and advocacy concerning topics such as social policy, political strategy, economics, military, technology, and culture. Most policy institutes are non-profit organizations, which some countries such as the United States and Canada provide with tax exempt status. Other think tanks are funded by governments, advocacy groups, or businesses, or derive revenue from consulting or research work related to their projects., Anton Brender is a member of the Cercle des économistes . He is also a professor at the Paris Dauphine University , and Director of Economic Studies for the Belgian - French financial institution Dexia ., Subject: anton brender, Relation: occupation, Options: (A) advocacy (B) canada (C) economist (D) research
Output:
economist