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: Which team involved in Silva's Primeira Liga debut has a longer history? Passage:He made his Primeira Liga debut for FC Porto on 10 August 2019 in a 2–1 loss at Gil Vicente, playing the final 11 minutes in place of Otavinho; at 17 years and 22 days, he surpassed Bruno Gama as the youngest league player in the club's history. On 19 September against BSC Young Boys in the UEFA Europa League group stage, he became the club's youngest player in European competitions, beating Rúben Neves. Six days later, he became the club's youngest starter in any competition when he lined up against C.D. Santa Clara in the Taça da Liga group stage, beating a record held by Serafim Pereira since 1960. 

Example Output: a

Example 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.

Example Output: b

Example Input: Question: When was the record label that signed The Twilight Sad in 2003 founded? Passage:The discography of Scottish rock band The Twilight Sad consists of five studio albums, four compilation albums, fifteen singles, and five extended plays (EPs). The band currently consists of James Graham (vocals, lyrics), Andy MacFarlane (guitar, production), Johnny Docherty (bass), Brendan Smith (keyboards) and Sebastien Schultz (drums). The Kilsyth-based band formed in 2003 and were signed to Fat Cat Records when Alex Knight, co-founder of the label, went to Glasgow to watch the band perform their third gig and signed them on the spot. The band released their debut EP The Twilight Sad in November 2006 in the United States only, followed by their debut album Fourteen Autumns & Fifteen Winters in April 2007, which garnered widespread critical acclaim. The album spawned two singles, "That Summer, at Home I Had Become the Invisible Boy" in April, and "And She Would Darken the Memory" in July. The following year, the band released Here, It Never Snowed. Afterwards It Did, a mini-album of reworked versions of songs from Fourteen Autumns & Fifteen Winters and two non-album tracks, inspired by stripped-down live performances. A collection of live versions and previously unreleased tracks entitled Killed My Parents and Hit the Road was released in December 2008. The Twilight Sad's second studio album, Forget the Night Ahead, was released in September 2009 to further acclaim and marked a shift in the band's direction towards a darker and more streamlined sound. The album produced three singles: "I Became a Prostitute" in August 2009, "Seven Years of Letters" in October 2009, and "The Room" in April 2010. Founding bassist Craig Orzel left the band in February 2010, and the band released The Wrong Car EP in September of that year.

Example Output:
b