Definition: In this task, you're given a question, along with a context passage which has extra information available on certain terms mentioned in it, i.e., the proper nouns in the passage. Your job is to determine whether information from more than one term is needed to answer the question. Indicate your choice as `a` for Yes or `b` for No.
Input: Question: Who is the current head of the family in Chile that Sebastian belongs to? Passage:Sebastián Edwards (born 16 August 1953, Santiago, Chile) a member of the Edwards family is a Chilean economist, professor, speaker, and consultant. He is currently the Henry Ford II Professor of International Business Economics at the UCLA Anderson School of Management at the University of California, Los Angeles (UCLA). From 1993 until April 1996, he was the Chief Economist for the Latin America and Caribbean Region of the World Bank. He is also a research associate of the National Bureau of Economic Research (NBER), a member of the advisory board of Transnational Research Corporation and co-chairman of the Inter American Seminar on Economics (IASE). He is the Past President of the Latin American and Caribbean Economic Association (LACEA), an international professional association of economists with academic interests in Latin America and the Caribbean region. He was a member of the Scientific Advisory Council of the Kiel Institute of World Economics, Kiel-Germany. He is a member of California Governor Arnold Schwarzenegger's Council of Economic Advisors.


b