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: 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 AgtWiegel 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
Example Output: b

Example Input: Question: How many major roles has Vidal's co-star in a Lifetime drama series performed? Passage:Vidal was series regular in the ABC police drama High Incident (19951996), and on The Brian Benben Show in 1998, and later had major recurring roles on Third Watch from 19992001 as Dr. Sarah Morales, and ER from 20012004 as firefighter Sandy Lopez. From 2001 to 2004, Vidal starred opposite Bonnie Bedelia in the Lifetime drama series The Division, for which she received the 2002 nomination for the ALMA Award in the Best Actress Category. In 2006, she had a brief role in the short-lived action series Smith, as one of the federal agents looking for Ray Liotta's group of thieves. In 2010 she starred in NBC drama The Event.
Links: a. ER (TV series) b. The Division c. Third Watch d. Bonnie Bedelia
Example Output: d

Example Input: Question: Where was the field marshal who considered Whitty the best field commander of the Eighth Army born? Passage:John Henry Hamlyn Whitty (4 February 1910 23 October 1944) was an Australian-born English first-class cricketer and British Army officer. Enlisting in the Queen's Own Royal West Kent Regiment in 1931, Whitty served with the regiment during the 19361939 Arab Revolt, during which he was awarded the Military Cross. He later served during the Second World War, during which he was wounded in action at Dunkirk. Later in the war he served in North Africa, where he was considered by Field Marshal Montgomery as the best field commander in the Eighth Army. Following service in North Africa, Whitty fought in the Italian Campaign, during which he was awarded the Distinguished Service Order, before being killed in October 1944 after stepping on a landmine. During his military career, he also played first-class cricket for the British Army cricket team.
Links: a. Australians b. Bernard Montgomery c. Queen's Own Royal West Kent Regiment d. Military Cross
Example Output:
b