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: 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 many years did the Great Depression last? Passage:Originally from New Brunswick, Harrison graduated from Nova Scotia Agricultural College in 1922, and, in 1924, from the Ontario Agricultural College with a B.Sc. in agriculture. He earned an MSc in plant pathology from Macdonald Campus of McGill University a year later. A doctoral degree he started at the University of Toronto in 1929 was abandoned due to the Great Depression. He established a herbarium of mycological specimens where he was employed for many years at the Kentville Research Station (now the Atlantic Food and Horticulture Research Centre); most of his collections are now housed at the Canadian National Mycological Herbarium. His early research concerned the fungal infestation of plants, such as that of Colletotrichum lindemuthianum on beans (Phaseolus). Working with John Frederick DeWitt Hockey, they made many contributions to the control and prevention of diseases of horticultural crops. They were among the first to use the sticky slide spore trap to estimate the densities of fungal spores.

[EX A]: b

[EX Q]: Question: What countries did Polozov perform in during the 1988/89 season? Passage:In 1978, he became the leading tenor of the Saratov Academic Opera and Ballet Theatre when he performed: Vladimir Igorevich in Borodin's Prince Igor, The Prince in Dargomyzhsky's Rusalka, Lensky in Tchaikovsky's Eugene Onegin, Lohengrin in Wagner's Lohengrin and in 1980 he became a member of the National Academic Opera and Ballet Theatre of the Republic of Belarus when he performed: Faust in Gounod's Faust, Alfredo in Verdi's La Traviata, the Duke of Mantua in Verdi's Rigoletto, Prince Kuragin in Prokofiev's War and Peace, Pinkerton In Puccini's Madama Butterfly, Vodemon in Tchaikovsky's Iolanta, Tsar Berendey in Rimsky-Korsakov's The Snow Maiden. As a member of the Opera Theatre (Minsk), in 1982, Polozov made his successful debut with the Bolshoi Theatre when he performed Alfredo opposite and Turiddu in Mascagni's Cavalleria rusticana opposite Makvala Kasrashvili and Elena Obraztsova. In 1983, he made his debut in the role of Faust at the Lithuanian National Opera opposite and Irena Milkeviciute. In 1984, he made debut for the role of the Duke of Mantua at the Bulgarian National Opera and Lensky at the Novosibirsk Opera and Ballet Theatre. In 1984, he performed the role of Alfredo at the Estonian National Opera and Latvian National Opera. In January 1986, another great success followed - Polozov's debut at the Teatro alla Scala in Milano where he sang the role of Pinkerton, which very soon became, along with the role of Rodolfo in La Boheme the most important roles in his repertoire. In May 1986 after winning the prestigious Madama Butterfly singing competition (Tokyo, Japan), Polozov announced his intention to live in the United States. Since his arrival in the USA, Polozov has appeared in numerous highly praised performances throughout the country - from Chicago (city of his American operatic debut for the role of Rodolfo La Boheme with Michael Tilson Thomas) to Boston, New York (his Metropolitan Opera debut in January 1987 in the role of Pinkerton opposite Renata Scotto, to California's Palm Springs and Texas - at the San Antonio Festival ("Tosca") with Julius Rudel, which received highest public and press acclaim. He also appeared in the Metropolitan Opera summer season in parks for the role of Rodolfo and a concert and recording in Washington D.C. (Kennedy Center) of Boris Godunov the role of Dimitry, opposite Ruggero Raimondi as Boris, Galina Vishnevskaya as Marina, Nicolai Gedda as the Simplenton and Paul Plishka as Pimen under the baton of Mstislav Rostropovich. The new 1987/88 season started for Polozov with a great success when he appeared in the role of Calaf in Puccini's Turandot in New York City Opera, and the very same week repeated this role in Munich's Bayerische Staatsoper with Giuseppe Patane. During the 1988/89 season, he performed in San Francisco Opera in the role of Enzo in La Gioconda opposite Eva Marton and in the role of Cavaradossi in Puccini's Tosca at the Canadian Opera Company. Soon he was engaged to perform in Paris, Hamburg, Barcelona, Rome, Lyon, Houston, Miami, Los Angeles, Santiago, Tokyo, and other world opera houses. He sang almost every major tenor roles of the Russian, Italian, German and French repertory and evenly produced voice, brilliant upper register, and stylish singing, are shown to best effect.

[EX A]:
a