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 Q]: Question: What city is the university in that he was a visiting assistant professor at? Passage:Morrey graduated from Ohio State University with a B.A. in 1927 and a M.A. in 1928, and then studied at Harvard University under the supervision of George Birkhoff, obtaining a Ph.D. in 1931 with a thesis entitled Invariant functions of Conservative Surface Transformations. After being awarded his Ph.D, he was a National Research Council Fellow at Princeton, at the Rice Institute and finally at the University of Chicago. He became a professor of mathematics at UC Berkeley in 1933, hired by Griffith Conrad Evans, and was a faculty member until his retirement in 1973. In Berkeley, he was early given several administrative duties, for example being the Chairman of the Department of Mathematics during the period 1949–1954, and being the Acting Chairman, the Vice Chairman and the Director of the Institute of Pure and Applied Mathematics at various times. During the years 1937–1938 and 1954–1955 he was a member of the Institute for Advanced Studies: he was also Visiting Assistant Professor at Northwestern University, Visiting Professor at the University of Chicago and Miller Research Professor at Berkeley. During World War II he was employed as a mathematician at the U.S. Ballistic Research Laboratory in Maryland.

[EX A]: b

[EX Q]: Question: How many people were in attendance at the University of Colorado at Boulder the year that J.D. Brookhart was hired as passing game coordinator, tight ends coach, and special teams coordinator? Passage:Joseph Daniel Brookhart (born October 17, 1964) is an American football coach and former player. He was most recently an assistant coach at the University of Colorado at Boulder, where he was hired as passing game coordinator, tight ends coach, and special teams coordinator on Jon Embree's staff in December 2010. Brookhart was the head coach at the University of Akron from 2004 to 2009, compiling a record of 30–42. His Akron Zips won the Mid-American Conference (MAC) in 2005, and he was honored as the MAC Coach of the Year the previous season. Brookhart played college football at Brigham Young University as a freshman walk-on before transferring to Colorado State University. He has also served as an assistant coach at the University of Pittsburgh and with the Denver Broncos of the National Football League (NFL).

[EX A]: b

[EX Q]: Question: How much did it cost to attend Stanford the year Mairson got his Ph.D. there? Passage:Mairson received a B.A. in Mathematics from Yale University in 1978 and a Ph.D. in Computer Science from Stanford University in 1984 under the supervision of Jeffrey Ullman. His Ph.D. thesis, The Program Complexity of Searching a Table, won the Machtey Award at the 1983 IEEE Symposium on Foundations of Computer Science (FOCS). Mairson was a Postdoctoral researcher at INRIA Rocqencourt from 1984 to 1985, at Stanford University in 1985, and at the University of Oxford in 1986. He held a Visiting Professor position from 1999 to 2001 at Boston University. From 2005 to 2007, Mairson has served as the Chair of the Faculty Senate at Brandeis. He is currently an Associate Editor of the journal Logical Methods in Computer Science and Information and Computation, and sits on the editorial board of Higher-Order and Symbolic Computation.

[EX A]:
b