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.

Example Input: Question: How many copies have sold of the book that Lynch discussed at its 500th anniversary in 2011? Passage:At Boston College, Lynch was a Bradley Postdoctoral Fellow. He taught at the University of Dallas Rome campus. In 2005, he participated in ISI/Jack Miller Center's Lehrman Summer Institute. In 2006, he was Faculty Fellow at the Foundation for Defense of Democracies. Between 2006 and 2007, Lynch was Senior Advisor at the United States Department of State. And in 2011, he was a faculty member on the Hertog Political Studies Program in Washington, D.C. Lynch was granted the Olin Faculty Fellowship to support his work on a new book about Machiavelli's thoughts on war. Additionally, on the 500th anniversary of the writing of Machiavelli's The Prince, Lynch was discussant in the "Machiavelli's The Prince at 500: Rereading The Prince in the 21st Century" Panel at the 2013 American Political Science Association (APSA) Annual Meeting and Exhibition in Chicago, and he spoke at Harvard University on the question of whether Machiavelli is a philosopher. Lynch has been a part of workshops and seminars at Army War College, Naval War College, and National Defense University. Additionally, he has presented lectures at the Air Force Academy and the National War College. Currently, Lynch is Professor of Great Ideas and Political Science at Carthage College.

Example Output: b

Example Input: Question: How many terms as a senator did Robert Kean's father serve? Passage:Kean was born September 28, 1893, in Elberon, New Jersey. His father, Hamilton Fish Kean (18621941), was a United States Senator from New Jersey and his son, Thomas Kean, served two terms as the Governor of New Jersey. Robert Kean was the great-great-grandson of John Kean, a Delegate to the Continental Congress from South Carolina (17561795). His uncle, John Kean (18521914), was also a United States Senator from New Jersey. His grandson, Thomas Kean, Jr., is presently the Minority Leader of the New Jersey State Senate. His mother, Katherine Taylor Winthrop (18661943), was a descendant of John Winthrop, a wealthy English Puritan lawyer and one of the leading figures in the founding of the Massachusetts Bay Colony, the first major settlement in what is now New England after Plymouth Colony. Winthrop led the first large wave of migrants from England in 1630 and served as governor for 12 of the colony's first 20 years of existence. Kean is also a descendant of William Livingston, the first Governor of New Jersey.

Example Output: b

Example Input: Question: How old is the station that Storkey started broadcasting with in 1986? Passage:She left Manchester College to join her husband on the faculty of the University of Stirling. She started broadcasting with the BBC in 1986, after they both returned from a period of lecturing at Calvin College, Michigan, and Covenant College, Tennessee, in the United States. She has since been involved in many documentaries, arts, news and current affairs programmes. She was a presenter on BBC Radio 4's Thought for the Today for more than 20 years and has written many scripts for the BBC World Service. She currently broadcasts regularly with BBC Radio Ulster, especially Sunday Sequence. Elaine Storkey has authored several books, including What's Right With Feminism, The Search for Intimacy and Mary's Story, Mary's Song. She has also been a member of the General Synod of the Church of England from 1987 to 2016, serving on the Archbishop's Rural Commission and the Cathedrals Commission. For many years she wrote for The Independent and for the Swedish newspaper Dagen and for the Church Times. During the 1990s she collaborated with Roman Catholic author and theologian Margaret Hebblethwaite, and they co-authored a book exploring Christian feminism from two different traditions. Their writings on women are widely used within the Roman Catholic as well as other churches. Storkey was also a close colleague of the Biblical scholar Catherine Clark Kroeger, whose obituary she wrote in July 2011.

Example Output:
b