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.

[Q]: Question: How many members strong was the Prague Philharmonia when Walker conducted it in 2005? Passage:In 2000/01 Walker conducted the English Touring Opera's production of the Magic Flute, and on 27 November 2004 the Chelsea Opera Group (UK) in Glinka's A Life for the Tsar at the Queen Elizabeth Hall. In November 2005 he conducted the Prague Philharmonia, and in the winter season 2005/6 Walker conducted three performances of The Nutcracker for the Royal Opera House, Covent Garden, and Swan Lake in 2009 for the Finnish National Ballet. On 4 July 2010 he conducted the BBC Philharmonic Orchestra, and in 2011 a concert with the Royal Philharmonic Orchestra. He appeared at the Oundle International Festival in 2011 where he conducted the premiere of Prophet and Loss by Julian Grant. In October 2011 he conducted a Gershwin Gala with the Russian Philharmonic. In 2012 Walker conducted the English Chamber Orchestra. and a production of the Nutcracker at the Norwegian National Opera and Ballet. On 19 April 2015 he conducted the New Russia State Symphony Orchestra. In 2017 he was awarded the Elgar Medal by the Elgar Society for championing the composer's music internationally in countries including Belarus, Russia, Poland, Turkey and Romania.
Links: a. Queen Elizabeth Hall b. George Gershwin c. Prague Philharmonia d. Prague Philharmonia
[A]: c

[Q]: Question: Which of the regiments that Ellwood served in was the largest? Passage:Ellwood graduated from Duntroon in 1990 and was commissioned into the Royal Australian Infantry Corps. His early career included postings as a platoon commander in the 2nd/4th Battalion, Royal Australian Regiment and as an instructor in field training and tactics at Duntroon, before he was seconded to the British Army from 1998 for a two-year exchange with the Irish Guards, then stationed in Germany. During the secondment he deployed as part of the NATO intervention in the Kosovo War in 1999, serving as second-in-command of an armoured infantry company in the King's Royal Hussars Battle Group. For his service in Kosovo, Ellwood was awarded a Commander British Forces Commendation. He returned to Australia as a company commander and operations officer in the 5th/7th Battalion, Royal Australian Regiment (5/7RAR). Ellwood commanded B Company on operations in East Timor from October 1999 to April 2000, when 5/7RAR deployed with the International Force East Timor.
Links: a. 2nd/4th Battalion, Royal Australian Regiment b. Kosovo War c. 2nd/4th Battalion, Royal Australian Regiment d. King's Royal Hussars
[A]: a

[Q]: Question: Who was the Los Angeles Skyhawks backup in 1976 before Marine Cano? Passage:In 1976, Cano signed with the Los Angeles Skyhawks of the American Soccer League. There, he was the backup to Brian Parkinson and helped the Skyhawks to the ASL championship title. In 1978, he moved to the Fort Lauderdale Strikers of the North American Soccer League. In 1979, he returned to the ASL with the California Sunshine. In 1980, he played for the Cleveland Cobras in the ASL. That fall, he signed with the Cleveland Force in the Major Indoor Soccer League. In 1985, he played for the independent Los Angeles United. In 1986, he moved to the Los Angeles Heat of the Western Soccer Alliance. He played for the Heat as a backup to David Vanole in 1987, then left the league. In 1990, he returned to the Heat, now playing in the American Professional Soccer League. He permanently retired from playing following that season.
Links: a. Los Angeles Skyhawks b. American Soccer League (193383) c. Cleveland Cobras d. Western Soccer Alliance
[A]:
a