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: What is the current world ranking of the team that India played against in the first Twenty20 Internationals match at Vidarbha stadium? Passage:The Vidarbha Cricket Association Stadium, also known as the New VCA Stadium, is a cricket ground in Nagpur, India. It is the home of the Vidarbha cricket team in the Ranji Trophy and the Central Zone cricket team in the Duleep Trophy. It is also a Test, One Day International and Twenty20 International (T20) venue. The ground was opened in 2008. It replaced the Vidarbha Cricket Association Ground as the city's primary cricket venue. The new Vidarbha Cricket Association Stadium has a capacity of 45,000 spectators. It has been praised by the International Cricket Council, and also by players, commentators and journalists because of its facilities. The ground has hosted six Test matches, the first in 2008 when Australia lost to India by 172 runs. It has also staged eight One Day International matches, the first of which was in 2009 when India beat Australia by 99 runs. Eleven Twenty20 Internationals have been played at the ground, the first when India played Sri Lanka in 2009. Of the eight One Day Internationals played at the stadium, four matches were held during the group stage of the World Cup in 2011. Of the eleven Twenty20 Internationals staged at the venue, nine matches were staged during the World Twenty20 in 2016.
 Links: a. Australia national cricket team b. Vidarbha Cricket Association Stadium c. Vidarbha Cricket Association Stadium d. Sri Lanka national cricket team
Example Output: d

Example Input: Question: How old was Rani when she made her film debut? Passage:Rani Mukerji is an Indian actress who has won several awards and nominations. She made her film debut with a supporting role in the Bengali film Biyer Phool (1996), which was directed by her father Ram Mukherjee. She made her Hindi debut with Raja Ki Aayegi Baraat in 1996, for which she received her first award at the Star Screen Awards for Best Fresh Talent. The following year she was featured in two successful films. For her third movie, Kuch Kuch Hota Hai (1998), she earned the award for Best Supporting Actress at the 44th Filmfare Awards. She also collected the Zee Cine Award for Best Actress in a Supporting Role and the Lux Face of the Year accolades at the Zee Cine Awards. Following this, she was signed on for several movies, some of which were critically and commercially successful films, such as Hey Ram (2000) which was chosen as India's official entry to the Oscars and Badal (2000) which was one of the highest-grossing films of that year.
 Links: a. Zee Cine Award for Best Actor in a Supporting Role – Female b. Raja Ki Aayegi Baraat c. Rani Mukerji d. Raja Ki Aayegi Baraat
Example Output: c

Example Input: Question: How old was Cam Kirby's great grandfather when the American civil war ended? Passage:Born in Calgary. Kirby's great grandfather Charles Kirby (1805–1870) came to Canada as a soldier in a regiment from Yorkshire, England at the time of the Rebellion of 1837 in Upper Canada and settled in Whitby. His son Joseph Kirby (1844–1937) enlisted as mercenary in the 184th Regiment of New York State Infantry of the Union Army during the American Civil War and returned to Canada in 1865 and joined the Ashberminam Company of Volunteers during the Fenian Raids of 1866. In 1882 he applied for a homestead in the N.W.T. situated near what is now the town of Fleming (Sask.). Kirby's father William John Kirby (1866–1964) moved further west in 1885, initially as a lumberjack in Albert Canyon, worked as an agent for the Dominion Express in Vancouver, British Columbia, and later in Calgary where Cameron Kirby was born in 1909. In 1911 William Kirby set up as a merchant in Lochairn, later named at his instigation Rocky Mountain House after the Hudson's Bay Fort built nearby on the North Saskatchewan River in 1799. There he opened a dry goods store and became postmaster and eventually the town's Reeve. In 1917 when Cameron Kirby was eight years old his mother died and he was sent by his father to live with relatives. Kirby graduated from high school in Hanna, Alberta and then attended the University of British Columbia graduating with a Bachelor of Arts in 1930 before attending graduate school at the University of Alberta.
 Links: a. Calgary b. Calgary c. American Civil War d. University of British Columbia
Example Output:
c