In this task, you're given a question, a context passage, and four options which are terms from the passage. After reading a passage, you will get a brief understanding of the terms. Your job is to determine by searching and reading further information of which term you can answer the question. Indicate your choice as 'a', 'b', 'c', or 'd'. If you think more than one option is plausible, choose the more probable option to help you answer the question.

Example Input: Question: What current countries were part of the Ottoman Empire? Passage:Crimea: The Last Crusade is a panoramic history of the Crimean War of 1853–56. Drawing extensively from Russian, French and Ottoman as well as British archives, it combines military, diplomatic, political and cultural history, examining how the war left a lasting mark on the national consciousness of Britain, France, Russia and Turkey. Figes sets the war in the context of the Eastern Question, the diplomatic and political problems caused by the decay of the Ottoman Empire. In particular, he emphasises the importance of the religious struggle between Russia as the defender of the Orthodox and France as the protector of the Catholics in the Ottoman Empire. He frames the war within a longer history of religious conflict between Christians and Muslims in the Balkans, southern Russia and the Caucasus that continues to this day. Figes stresses the religious motive of the Tsar Nicholas I in his bold decision to go to war, arguing that Nicholas was swayed by the ideas of the Pan-Slavs to invade Moldavia and Wallachia and encourage Slav revolts against the Ottomans, despite his earlier adherence to the Legitimist principles of the Holy Alliance. He also shows how France and Britain were drawn into the war by popular ideas of Russophobia that swept across Europe in the wake of the Revolutions of 1830 and 1848. As one reviewer wrote, Figes shows "how the cold war of the Soviet era froze over fundamental fault lines that had opened up in the 19th century."
 Links: a. Crimean War b. Ottoman Empire c. Catholic Church d. Pan-Slavism
Example Output: b

Example Input: Question: How many cups has the team Franz first played for won? Passage:Franz Burgmeier (born 7 April 1982) is a Liechtenstein retired footballer, who played as a midfielder for Vaduz in the Swiss Super League. Born in Triesen, Burgmeier was a burgeoning footballer and keen skier, until he gave up the latter sport at 16 following a serious injury. Having been a youth player for Triesen, he started his professional career with Vaduz. Burgmeier won several Liechtensteiner Cups with Vaduz, who were promoted to the Swiss Challenge League in 2001, and played in the UEFA Cup. After two unsuccessful attempts to win promotion to the Swiss Super League, Burgmeier left for Aarau in 2005. He spent only one season with Aarau before a move to the previous season's runners-up Basel in 2006. His two seasons with Basel were broken up by a loan spell with Thun, before he moved to England with Darlington in August 2008, where he played for one year.
 Links: a. Swiss Super League b. Swiss Super League c. FC Vaduz d. FC Basel
Example Output: c

Example Input: Question: What other albums did Yes release between 1971 and 1991? Passage:Hot on the heels of the huge success of CSNY and Led Zeppelin, British band Yes rapidly established themselves as one of the leading groups in the burgeoning progressive rock genre, and their success also played a significant part in establishing the primacy of the long-playing album as the major sales format for rock music in the 1970s. After several lineup changes during 1969–70, the band settled into its "classic" incarnation, with guitarist Steve Howe and keyboard player Rick Wakeman, who both joined during 1971. Although the extended length of much of their material made it somewhat difficult to promote the band with single releases, their live prowess gained them an avid following and their albums were hugely successful – their third LP The Yes Album (1971), which featured the debut of new guitarist Steve Howe, became their first big hit, reaching #4 in the UK and just scraping onto the chart in the US at #40. From this point, and notwithstanding the impact of the punk/new wave movement in the late 1970s, the band enjoyed an extraordinary run of success—beginning with their fourth album Fragile, each of the eleven albums they released between 1971 and 1991 (including the lavishly packaged live triple-album Yessongs) made the Top 20 in the US and the UK, and the double-LP Tales of Topographic Oceans (1973) and Going For The One (1977) both reached #1 in the UK.
 Links: a. Fragile (Yes album) b. New wave music c. Going for the One d. Yes (band)
Example Output:
d