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: Was Sylvain Levi a native speaker of Sanskrit? Passage:Following his completion of secondary school, Demiéville spent time studying in Munich, London, and Edinburgh, where he was able to attend lectures by George Saintsbury at the University of Edinburgh. He then attended the University of Paris, where he wrote an essay on the musical suite of the 17th and 18th centuries and was awarded a licentiate degree in 1914. Demiéville then spent the year 1915 studying at King's College London where he was introduced to Chinese, which quickly became his focus. After returning to France, Demiéville studied at the École des Langues Orientales Vivantes (School of Living Oriental Languages), after which he moved to the Collège de France, where he further studied Chinese under the tutelage of Édouard Chavannes and began learning Sanskrit from Sylvain Lévi. He earned his Diplômé from the École des Langues Orientales Vivantes in 1919.
 Links: a. Edinburgh b. Sanskrit c. Sanskrit d. Sylvain Lévi
Example Output: b

Example Input: Question: What version of iOS was current the year Bejeweled 2 was released on the platform? Passage:Bejeweled 2 is a tile-matching puzzle video game. The sequel to Bejeweled, it was developed and published by PopCap Games. In 2004, Bejeweled 2 Deluxe was released, which includes extra game modes and features. Bejeweled 2 Deluxe was released for the Xbox 360 as a downloadable Xbox Live Arcade game on November 22, 2005. In 2007, the game was released on the PlayStation 2 alongside another PopCap game, AstroPop as a two-game compilation pack as PopCap Hits! Volume 1. PopCap also released a version for iOS in 2008. Bejeweled 2 was also released for PlayStation 3 on the PlayStation Network on January 29, 2009, on the Wii via WiiWare on June 14, 2010, and on PlayStation Portable on June 29, 2010, and for Android. As with the original Bejeweled, Bejeweled 2 is based on the Shariki game mechanic.
 Links: a. Xbox Live Arcade b. Shariki c. Ios d. PlayStation 3
Example Output: c

Example Input: Question: Did Barry Town win more games than it lost the year Carter made his debut? Passage:Carter started his career as an apprentice at Brighton & Hove Albion but failed to make the grade for the first team. He made his first team debut in April 1987 in a 1–1 draw with Blackburn Rovers, coming on as a substitute and almost scoring with his first touch. He subsequently dropped down to the Isthmian League where he spent a season with Billericay Town. He was signed by Fourth Division side Leyton Orient in July 1988 and remained a first team regular in his seven-year spell at the club, which included promotion to the Third Division in his first season with via the play-offs. In June 1995, he joined newly relegated Second Division side Peterborough United for a fee of £25,000. He was a first team regular in his first season with the club but dropped out of the side in his second season as the club narrowly avoided relegation twice. Following his release he spent time on trial at Cambridge United and Wycombe Wanderers, however, both were unsuccessful in earning a full-time contract. He subsequently signed for Welsh Premier League side Barry Town, where he spent two seasons and made a total of sixty league appearances, scoring ten goals. He later joined Southern League Premier side Merthyr Tydfil in 1999 and spent six seasons with the club making over 200 appearances. He was also the club captain. In the summer of 2005 he signed for newly promoted Welsh Premier League side Cardiff Grange Harlequins but only made eight league appearances and the side couldn't avoid relegation at the first attempt.
 Links: a. Barry Town United F.C. b. Wycombe Wanderers F.C. c. Billericay Town F.C. d. Isthmian League
Example Output:
a