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 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: How old was the commander in chief when he coordinated a massive anti-guerrilla operation? Passage:In 1970, 22-year-old Crespo had dropped out of IST and was eventually drafted into military service in the Portuguese Colonial War. He transferred to Mozambique where his military occupation was to check the cement cargoes from Beira to the Cahora Bassa Dam construction site, near Tete. Some time later, due to his good fluency in English, he was placed in the press office of Kaúlza de Arriaga, the commander in chief of the Portuguese Armed Forces in Mozambique, who had coordinated a massive anti-guerrilla operation against FRELIMO separatists in 1970 - the Gordian Knot Operation. While serving in the army, Crespo also entered the newly created School of Medicine of the University of Lourenço Marques where he would complete a number of academic disciplines but did not graduate. He also married Helen de Souza from Johannesburg, a South African woman with Portuguese ancestry who worked in genetics. After the Carnation Revolution left-leaning military coup at Lisbon in April 1974, fresh out of the troop, Crespo fled Mozambique for South Africa.
 Links: a. Portuguese Colonial War b. Tete, Mozambique c. Kaúlza de Arriaga d. Kaúlza de Arriaga
Example Output: c

Example Input: Question: Which cricketer had played more games the year Millar played at WACA Ground, Mick Malone or David Boyd? Passage:Geoffrey Alan Millar (born 22 November 1955) is a former Australian cricketer who played several matches for Western Australia during the early 1980s. From Perth, Millar played at colts level during the late 1970s, generally as an all-rounder. He made his Sheffield Shield debut for Western Australia during the 1981–82 competition, and failed to take a wicket in what was to be his only first-class match. In the match, against Queensland at the WACA Ground in February 1982, he was part of a pace attack that included David Boyd (who he opened the bowling with in the first innings), Mick Malone, and Ken MacLeay. Millar also appeared at List A level several times for Western Australia. In his first match, the third-place playoff of the 1981–82 McDonald's Cup, he took 2/17 and scored 30 runs, and was thus named man of the match. His two further matches both occurred in the following year's tournament. At grade cricket level, Millar played 177 matches for the Mount Lawley District Cricket Club.
 Links: a. Australian domestic limited-overs cricket tournament b. WACA Ground c. David Boyd (cricketer) d. WACA Ground
Example Output:
c