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: How old was Waledyński when the autocephaly he requested was finally granted? Passage:The establishment of the church was undertaken after the Treaty of Riga left a large amount of territory previously under the control of the Russian Empire, as part of the Second Polish Republic. Eastern Orthodoxy was widespread in the Belarusian Western Belarus regions and the Ukrainian Volhynia. The loss of ecclesiastical link due to the persecution of the Russian Orthodox Church in the Soviet Union, left the regional clergy in a crisis moment, and in 1924, the Ecumenical Patriarchate took over establishing several autonomous churches on territories of the new states that were formerly wholly or partially part of the Russian Empire (Finland, the Baltic States, and Poland). Earlier, in January 1922, the Polish government had issued an order recognizing the Orthodox church and placing it under the authority of the state. At that time a Ukrainian, Yurii Yaroshevsky, was appointed Metropolitan and exarch by the patriarch of Moscow. When Yaroshevsky began to reject the authority of Moscow Patriarchate, he was assassinated by a Russian monk. Nonetheless, his successor, Dionizy Waledyński (Dionisii Valedinsky), continued to work for the autocephaly of the Polish Orthodox church, which was finally granted by the Ecumenical Patriarch of Constantinople in his Tomos of 13 November 1924. Given that most of the parishioners were Ukrainians and Belarusians living in the Eastern areas of the newly independent Polish Second Republic, the Patriarch of Constantinople had a canonical basis to grant the Tomos to the Polish church as a successor of the Kyiv Metropolia, the former territory of Kyivan Rus' which Constantinople continued to see as its canonical territory (despite having agreed to allow Moscow to be its caretaker it in 1686). The Russian Orthodox Church at the time did not recognise the Polish autocephaly, as it did not recognise the autocephaly of the Orthodox Church of the Czech Lands and Slovakia. 
 Links: a. Second Polish Republic b. 2018 Moscow–Constantinople schism c. Ecumenical Patriarchate of Constantinople d. Dionizy (Waledyński)
Example Output: d

Example Input: Question: Was Bracewell born in the United Kingdoms? Passage:Born in Colne, Lancashire, Bracewell began his career in non-league football with Trawden. He then signed with league club Burnley, but never made a league appearance, and so made his professional debut with Tranmere Rovers in 1959, making 28 league appearances in two seasons. Bracewell then played non-league football with Nelson, and with Canadian side Toronto Italia, before returning to English league football with Norwich City. However, he didn't make a single appearance for Norwich, and soon signed for Lincoln City, where he made 23 league appearances between 1963 and 1965. After leaving Lincoln, Bracewell played non-league football with Margate, before signing with Bury, where he made 1 league appearance. Bracewell then spent two seasons in Canada with the Toronto Falcons, and returned briefly to England to play with Rochdale. Bracewell then returned to the NASL to play with the Atlanta Chiefs, the Atlanta Apollos and the Denver Dynamos.
 Links: a. Tranmere Rovers F.C. b. Lincoln City F.C. c. Norwich City F.C. d. Colne
Example Output: d

Example Input: Question: Is the racing team who took over Andy Rouse's Ford team in 1996 still in operation? Passage:He won the 1993 and 1994 Touring Car World Cup events at Monza and at Donington respectively. 1993 was his first British Touring Car Championship (BTCC) season, in a Ford Mondeo prepared by Andy Rouse. He finished 3rd in the series despite only competing in half the year. He would again drive for Andy Rouse in 1994 where he finished 3rd again behind Gabriele Tarquini for Alfa Romeo and Alain Menu for Renault. Radisich would again drive for Andy Rouse in 1995 but by the end of the 1995 season the car had reached the end of its development cycle and was increasingly uncompetitive during the end of the 1995 season and in the 1996 season when West Surrey Racing took over the Ford team from Andy Rouse. 1996 would be a disappointment for the Ford team with no podium places and Radisich finishing 13th in the championship. 1997 would see a new Mondeo however it to was uncompetitive and would not challenge the front running teams. In 1998 he raced for Peugeot where he again had a disappointing season. He left the series and went to race for Dick Johnson Racing in the V8 Supercar series in Australia.
 Links: a. Ford Mondeo b. DJR Team Penske c. 1994 FIA Touring Car World Cup d. West Surrey Racing
Example Output:
d