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 other operas did the composers of Patience write? Passage:In September 2005, Ball made his New York City Opera debut as Reginald Bunthorne in Gilbert and Sullivan's Patience. He spent the first quarter of 2006 on complete vocal rest, following the illness that caused him to leave The Woman in White on Broadway. By the middle of July, Ball had taken part in the Royal Court Theatre's celebratory performance of The Rocky Horror Show. He took a leading role in Kismet in June and July 2007 for the ENO, and appeared on Channel 4's Richard & Judy on 22 June 2007 to promote this production. He then appeared as the solo artist in a controversial 'Musical Theatre' Prom on 27 August 2007 for the BBC at London's Royal Albert Hall. Ball performed a wide range of musical theatre numbers, including several by Andrew Lloyd Webber. The show was broadcast live on BBC Four, as well as on BBC Radio 3.

Example Output: b

Example Input: Question: What is the population of the city where Haschka was born and died? Passage:Haschka was born and died in Vienna. In his youth, he was a member of the Society of Jesus. On the suppression of the Society (1773) he devoted himself, in secular life, to poetry, this was now to become his vocation and his means of livehood. His pupil, the wealthy Johann Baptist von Alxinger, an imitator of Christoph Martin Wieland, came to his assistance. Haschka also found aid in the home of poet Karoline Pichler. Having left the Jesuits, under the influence of Josephinism, he became a freemason and wrote odes against the papacy during the presence of Pius VI in Vienna, as well as against the religious orders. He returned to Catholicism after the death of Joseph II, Holy Roman Emperor, and was selected to compose a national anthem, which was first sung on 12 February 1797, at the celebration of Francis II's birthday. Haschka was given a position as assistant in the library of the University of Vienna and was made instructor in aesthetics in the newly founded Theresianum. He retired in 1824.

Example Output: b

Example Input: Question: How many titles were in the Library of Congress the year the Rock & Roll Hall of Fame featured "What'd I Say" as one of the 500 Songs that Shaped Rock and Roll? Passage:It was ranked tenth on Rolling Stones list of "The 500 Greatest Songs of All Time", with the summary, "Charles' grunt-'n'-groan exchanges with the Raeletts were the closest you could get to the sound of orgasm on Top Forty radio during the Eisenhower era". In 2000, it ranked number 43 on VH1's 100 Greatest Songs in Rock and Roll and number 96 on VH1's 100 Greatest Dance Songs, being the oldest song in the latter ranking. The same year it was chosen by National Public Radio as one of the 100 most influential songs of the 20th century. A central scene in the 2004 biopic Ray features the improvisation of the song performed by Jamie Foxx, who won an Academy Award for his portrayal of Charles. For its historical, artistic, and cultural significance, the Library of Congress added it to the U.S. National Recording Registry in 2002. The Rock & Roll Hall of Fame featured it as one of 500 Songs that Shaped Rock and Roll in 2007.

Example Output:
b