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.

Input: Consider Input: Question: In what city is the university at which Ginjaar served as Chairman of the Education Board? Passage:After the election of 1977 Ginjaar was appointed as Minister of Health and Environment in the Cabinet Van Agt-Wiegel, taking office on 19 December 1977. Ginjaar served as acting Minister for Science Policy from 1 April 1979 until 3 May 1979 following the death of Rinus Peijnenburg. In December 1980 Ginjaar announced that he wouldn't stand for the election of 1981 but wanted to run for the Senate. Ginjaar was elected as a Member of the Senate after the Senate election of 1981, taking office on 25 August 1981 serving as a frontbencher chairing the and the and spokesperson for the Environment, Higher Education and Agriculture. The Cabinet Van Agt–Wiegel was replaced by the Cabinet Van Agt II following the cabinet formation of 1981 on 11 September 1981. Ginjaar also served as Chairmen of the People's Party for Freedom and Democracy from 29 November 1986 until 4 October 1991. Ginjaar served as a distinguished professor of Medical ethics at the Utrecht University from 1 September 1982 until 1 January 1986 and also served as Chairman of the Education board of the Utrecht University from 10 September 1982 until 1 January 1986 and a distinguished professor of Climatology and Medical research at the State University of Limburg from 1 March 1990 until 1 September 1994. Ginjaar was selected as Parliamentary leader of the People's Party for Freedom and Democracy in the Senate following the election of Frits Korthals Altes as President of the Senate, serving from 11 March 1997 until 14 September 1999. In November 2002 Ginjaar announced his retirement from national politics and that he wouldn't stand for the Senate election of 2003 and continued to serve until the end of the parliamentary term on 10 June 2003.
 Links: a. Medical research b. Utrecht University c. Utrecht University d. Ministry of Agriculture, Nature and Food Quality

Output: b


Input: Consider Input: Question: Was Chevon Walker born in the Caribbeans?  Passage:Chevon Walker (born May 9, 1987 in Montego Bay, Jamaica) is a former professional Canadian football running back and kick returner for the Winnipeg Blue Bombers of the Canadian Football League. He played NCAA football for the Sioux Falls Cougars. He played two years of his career as a professional football player in the Canadian Football League for the Hamilton Tiger-Cats. In 2014, the Ottawa Redblacks selected him in the expansion draft. He started the 2015 season with the Ottawa Redblacks before he was released on August 28, 2015. On September 1, 2015, it was announced that Walker had signed with the Winnipeg Blue Bombers. Chevon Walker has over 1000 rushing yards and seven touchdowns in three years of professional play.
 Links: a. Hamilton Tiger-Cats b. Winnipeg Blue Bombers c. Canadian Football League d. Montego Bay

Output: d


Input: Consider Input: Question: How many flights does the airport in Halifax have each day? Passage:The city is overlooked by a large museum and national historic site, the Halifax Citadel not far from the province's Natural History Museum. The Maritime Museum of the Atlantic, the oldest and largest maritime museum in Canada explores the cultural and technology of the province's seafaring heritage. Moored beside the Maritime Museum is the museum ship HMCS Sackville, Canada's naval memorial. The city's rich naval history is also presented at the Maritime Command Museum in the city's North End. The Pier 21 Immigration Museum located a former ocean liner immigration shed features Canada's immigration history. Across the harbour, the Dartmouth Heritage Museum preserves the history of the Dartmouth side of the Harbour. The Black Cultural Centre for Nova Scotia in Cherrybrook celebrates the history and culture of African Nova Scotians. A variety of community museums across the municipality showcase community history such as the Fultz House Museum in Sackville and the Musquodoboit Railway Museum in Musquodoboit Harbour. Two aviation museums are located in Halifax; the Atlantic Aviation Museum near the Halifax International Airport and the Shearwater Aviation Museum in Eastern Passage.
 Links: a. Citadel Hill (Fort George) b. Naval Museum of Halifax c. Halifax Stanfield International Airport d. Halifax Stanfield International Airport


Output: c