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: Is China's Got Talent an adaption of America's Got Talent? Passage:On 27 March 2009, Tsai released her tenth studio album Butterfly. With more than 120,000 copies have been pre-orderred, Butterfly became the album with the highest pre-order volume in Taiwan's history. The album has sold more than 190,000 in Taiwan, and it became the best-selling album of the year in the region. On 28 March 2009, Tsai embarked Butterfly Campus Tour at Chung Hua University in Hsinchu, Taiwan, and it concluded on 10 May 2009 at Southern Taiwan University of Science and Technology in Tainan, Taiwan. On 9 May 2009, Tsai held Butterfly Concert at Taichung Citizen Square in Taichung, Taiwan. On 24 May 2009, Tsai held Slow Life Concert at Riverside Live House in Taipei, Taiwan. On 9 October 2009, Tsai released her fifth live album Love & Live, and it documented both her Butterfly Concert and Slow Life Concert. On 15 October 2009, Tsai founded her own entertainment company Eternal with her manager Ke Fu-hung to manage Tsai's day-to-day business affairs and coordinate the production and enforcement of copyright for Tsai's own sound recordings and concerts. In March 2010, media reported that Tsai's eleventh studio album would be released in July of the year, and Sam Chen, the president of Warner Music Greater China, said: "The album will have many international collaborations, with a budget of more than NT$50 million." On 27 April 2010, Tsai released a promotional song titled "Heartbeat of Taiwan" for the Taiwan Pavilion at Expo 2010. In July 2010, Tsai invited Ahn Hyung Suk, who has collaborated with TVXQ, and Benny Ninja, who starred as a judge on America's Next Top Model, to choreograph for the album. On 12 July 2010, Tsai attended a press conference for China's Got Talent and played a promotional song, which later revealed as the track "Black-Haird Beautiful Girl" on the album.

Example Output: b

Example Input: Question: When did the event where  Frank Alberry won a Distinguished Conduct Medal end? Passage:Frank Alberry, DCM (29 September 1892 – 23 January 1968) was an Australian soldier and airman who had a varied military career. Born in Hobart, he served in the Welch Regiment of the British Army before the First World War, but deserted. He joined up again in the early days of the First World War, and went on to serve with the 8th Battalion of the Australian Imperial Force. After service at Gallipoli, he joined the British Expeditionary Force in France. He won a Distinguished Conduct Medal at the Battle of Pozières, but lost a lower leg in the process. Alberry took the extraordinary step of personally petitioning King George V for permission to transfer to the Flying Corps, and subsequently became a flying ace credited with seven aerial victories. Alberry returned to service during the Second World War as a recruiter.

Example Output: b

Example Input: Question: Who was the head coach of the team that defeated São Paulo FC in the 2007 Copa Libertadores? Passage:The 2007 season was São Paulo's 78th season of the club's existence. After being a national champions in the previous year, them team qualified to the Copa Libertadores and Copa Sudamericana. Tricolor took a place on the semifinals of Campeonato Paulista, but was eliminated by São Caetano with a rout in his home stadium in the second leg after drawing in 1-1 on away, was defeated by 4-1. In the Copa Libertadores for the fourth year's participation sequence, Tricolor was eliminated in Round of 16 losing to Grêmio in aggregated score. While played the Campeonato Brasileiro, São Paulo participated in Copa Sudamericana. With two draws against Figueirense the group advanced on away goal rule to Round 16 when eliminated the Argentine current champions of Copa Libertadores, Boca juniors, also in away goal rule, after scored one goal in La Bombonera in the loss by 2-1, Tricolor won in Morumbi with a single goal scored by Aloísio. However in the quarterfinals was eliminated with two losses for Colombians Millonarios. Playing only the national league the club rising the fifth title in 31 October, on 34th round, behind the victory over América-RN for 3-0 in Morumbi. The team became a champions with a record of 23 wins, 8 draws, 7 losses and keeping the best defence of league, only 19 goals conceded in 38 matches.

Example Output:
b