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: What three singles did The White Stripes release before their first album? Passage:After three singles, The White Stripes released their self-titled debut album in June 1999. Their second studio album, the well-received De Stijl, followed in June 2000. The band's third studio album, White Blood Cells, became their breakthrough album, receiving much acclaim while pushing the band to the forefront of alternative rock. They later signed to V2 Records and released their fourth studio album Elephant in April 2003. The album was a commercial success, peaking at number six on the US Billboard 200 and reaching the top ten in multiple other countries. Elephant has been certified platinum by the Recording Industry Association of America (RIAA). The album spawned the single "Seven Nation Army", which topped the US Billboard Alternative Songs chart and became the group's first appearance on the US Billboard Hot 100, where it peaked at number 76.


Ex Output:
b


Ex Input:
Question: Which country's air force was garrisoned at Taichung until 1955? Passage:Taichung International Airport was constructed during the era of Japanese rule and was named . The United States Air Force (USAF) had been garrisoning the base with two fighter squadrons until the Sino-American Mutual Defense Treaty came into force on March 3, 1955. The airport then expanded in 1954 according to the Sino-American Mutual Defense Treaty, and later renamed Ching Chuan Kang Air Base (CCK) in memory of General Qiu Qingquan. In 1966 the American Air Force established a joint forces air-base at CCK. It was the largest air force base in the Far East at the time, allowing Boeing B-52 Stratofortress bombers to land. During the Vietnam War, CCK became a depot for the USAF. The US Military used CCK and Shuinan Airport to run many of its long-distance Vietnam, Cambodia and Laotian bombing, scouting and cargo transport runs during the Vietnam War era. This base was shut down and most American facilities were removed after U.S. established diplomatic relations with the China in 1979.


Ex Output:
b


Ex Input:
Question: Who directed the 2017 film that Fleming was featured on the soundtrack of? Passage:Fleming has released a number of music recordings on the Decca label. In 2000 she was a guest artist alongside the cellist Julian Lloyd Webber and the violinist Gil Shaham on the album Two Worlds by Dave Grusin and Lee Ritenour. She recorded a jazz album in 2005 entitled Haunted Heart. She appears on the soundtrack of the 2003 film  in which she sings in the fictional language Sindarin. Renée Fleming recorded the duet "O soave fanciulla" with Michael Bolton. Her album Dark Hope, released in June 2010, features covers of songs by Leonard Cohen, Band of Horses, Jefferson Airplane and others. Fleming appears on the soundtrack of the 2011 Steven Spielberg animated film  as the singing voice of opera diva Bianca Castafiore, singing Juliette's waltz from Gounod's Romeo et Juliette. She recorded Alexandre Desplat's theme song "Still Dream" for the 2012 DreamWorks animated feature, Rise of the Guardians. Fleming features in the song "You'll Never Know" of the soundtrack of the 2017 film The Shape of Water. Fleming provided the singing voice of Roxann Coss, the American opera diva played by Julianne Moore, in the 2018 film Bel Canto (film).


Ex Output:

b