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: Of the first two post-doc positions John Ellis held, which company did he work for the longest? Passage:After completing his secondary education at Highgate School, he attended King's College, Cambridge, earning his PhD in theoretical (high-energy) particle physics in 1971. After brief post-doc positions at SLAC and Caltech, he went to CERN and has held an indefinite contract there since 1978. He was awarded the Maxwell Medal and the Paul Dirac Prize by the Institute of Physics in 1982 and 2005 respectively, and is an Elected Fellow of the Royal Society of London since 1985 and of the Institute of Physics since 1991. He was awarded an Honorary Doctorate from the University of Southampton, and twice won the First Award in the Gravity Research Foundation essay competition (in 1999 and 2005). He is also Honorary Doctor at Uppsala University.


Ex Output:
a


Ex Input:
Question: Who did Michigan defeat to win the championship in the 1997 season? Passage:Fred Jackson (born June 9, 1950) is an American football coach and former player. He was previously the running backs coach at the University of Michigan. In 2014, he was the longest tenured member of the Michigan Wolverines football coaching staff, having been with the program since 1992. Jackson served on the staffs of Gary Moeller, Lloyd Carr, Rich Rodriguez, and Brady Hoke. In addition to coaching running backs, Jackson served as Michigan's offensive coordinator (1995–1996), assistant head coach (1997–2002), and associate head coach (2003–2007). He was a finalist for the Broyles Award, given annually to the nation's top college football assistant coach, in 2000. After Michigan head coach Lloyd Carr retired following the 2007 season, Jackson was the only member of the coaching staff retained by Carr's successor, Rich Rodriguez. When Rodriguez was fired after the 2010 season, Jackson was the only member of Rodriguez's staff retained by his successor, Brady Hoke. Hoke and Jackson served as assistants together under Carr and Gary Moeller for a total of eight years including the 1997 national championship season.


Ex Output:
b


Ex Input:
Question: What year did Seidman get the role of chief investigator? Passage:Seidman was born on August 24, 1955 to a Jewish family, the daughter of Eileen Joan (née Ladenson) and Frank Seidman. She received a B.A. from Miami University and a J.D. from the University of Georgia School of Law. After school, she worked as a senior investigator for the investigation firm, Investigative Group International and later for the People for the American Way. She then worked an assistant to Senator Ted Kennedy and chief investigator for the Senate Labor and Human Resources Committee where she worked against the Robert Bork (1987) and Clarence Thomas (1990) nominations to the U.S. Supreme Court. Nan Aron from Alliance for Justice asserts that she was the one that tipped Seidman off about Thomas' alleged harassment. In 1991, she prepped Anita Hill before she testified.


Ex Output:

b