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.

Ex 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 (1862–1941), 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 (1756–1795). His uncle, John Kean (1852–1914), 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 (1866–1943), 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.


Ex Output:
b


Ex Input:
Question: Who founded the institution where Powderly served as a professor in the Visual Communication Design Department? Passage:In 2005, Powderly became a Research and Development Fellow at Eyebeam where he began collaborating with Evan Roth. Working as the Graffiti Research Lab, Roth and Powderly developed open source tools for graffiti writers and activists, such as LED Throwies and L.A.S.E.R. Tag. Together, they also founded the Free Art and Technology Lab (F.A.T. Lab). Most recently, Powderly has won awards for his work on the EyeWriter project, including the 2009 Design of the Year in Interactive Art from the Design Museum, London, the 2010 Prix Ars Electronica, the 2010 FutureEverything Award and featured on NPR and TED. Several of Powderly' works are in the permanent collection of the Museum of Modern Art. Powderly was a professor at Hongik University in the Visual Communication Design Department in Seoul, South Korea, before moving to Fort Lauderdale, Florida, to work for the augmented reality company Magic Leap.


Ex Output:
b


Ex Input:
Question: What year did Sharif become Prime Minister? Passage:His credential and reputation eventually led him secure nomination for the presidency by Prime Minister Benazir Bhutto and elected as President in 1993. However, he began receiving criticism over the controversial appointments of Senior Justices of the Supreme Court of Pakistan and was implicated in Mehran Bank scandal. Differences began to emerge with Prime Minister Benazir Bhutto on policy issues in 1995 and he surprisingly dismissed his leader's government in 1996. His political ambitions later clashed with Prime Minister Nawaz Sharif and his intervention to retain Justice Sajjad Ali Shah as Chief Justice finally led to his resignation in 1997. He remained active in politics and joined the PML(Q) in 2004. Leghari died from a long heart illness at the Combined Military Hospital in Rawalpindi on 20 October 2010.


Ex Output:

b