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: Do more people live in Fauntleroy's birth place than the town where he died? Passage:Archibald Magill Fauntleroy (b. in Warrenton, Virginia, 8 July 1837; d. in Staunton, Virginia, 19 June 1886) was a physician. He graduated in medicine at the University of Pennsylvania in 1856, and in 1857 entered the United States Army as assistant surgeon; but, upon the start of the Civil War, he and his brother, a lieutenant in the navy, resigned at the same time with their father, Thomas T. Fauntleroy. He became a surgeon in the Confederate army, and was president of the board for the admission of surgeons, and chief officer on the medical staff of Gen. Joseph E. Johnston, and served with him until the battle of Seven Pines. He was then ordered to build and organize the hospitals at Danville, Virginia, and afterward had charge of the military hospital at Staunton, Virginia, until the war ended. He remained and practised at Staunton after the war, and was for several years superintendent of the lunatic asylum at that place. His contributions to medical literature include papers on potassium bromide, chloral hydrate, the use of chloroform in obstetrical practice, and a "Report upon Advance in Therapeutics," which was printed in the Transactions of the Virginia Medical Society.
Links: a. Warrenton, Virginia b. Battle of Seven Pines c. Chloral hydrate d. Staunton, Virginia
Example Output: a

Example Input: Question: How many matches did Nakagawa play for the Yokohama Marinos in 1996? Passage:Nakagawa was born in Osaka Prefecture on August 26, 1969. After graduating from Kokushikan University, he joined Yokohama Flugels in 1992. However he could hardly play in the match behind Atsuhiko Mori. In June 1995, he moved to rival club in Yokohama, Yokohama Marinos. In 1996, he played many matches when regular goalkeeper Yoshikatsu Kawaguchi let the club for 1996 Summer Olympics and injury. In 1998, he moved to Kyoto Purple Sanga. However he could hardly play in the match behind Shigetatsu Matsunaga. In March 2000, he moved to Nagoya Grampus Eight on loan. In 2001, he returned to Purple Sanga was relegated to J2 League. From June, he became a regular goalkeeper and the club returned to J1 League in a season. However he could hardly play in the match in 2002 season and retired end of 2002 season.
Links: a. Atsuhiko Mori b. Football at the 1996 Summer Olympics c. Yoshikatsu Kawaguchi d. Yokohama F. Marinos
Example Output: d

Example Input: Question: How long has the ESPN Sportscenter anchor that is on the advisory board of You Can Play worked for ESPN? Passage:The You Can Play Advisory Board includes Brian Burke, ESPN SportsCenter anchor John Buccigross, Miami University head hockey coach Enrico Blasi, Kraft Sports Group Vice President of Customer Marketing & Strategy Jessica Gelman, ESPN columnist LZ Granderson, Olympic soccer player Angela Hucles, Be The Change president and CEO Kevin Jennings, Andy Miele of the Grand Rapids Griffins/Detroit Red Wings, sports psychologist Dana Sinclair, AEG Vice President Kelly Staley, professional soccer player David Testo, Chicago Blackhawks forward Tommy Wingels, and Golden State Warriors president Rick Welts. In February 2013, the Advisory Board added transgender activist and baseball analyst Christina Kahrl and former NFL players Wade Davis and Esera Tuaolo. Miele and Wingels were the founding donors of You Can Play.
Links: a. David Testo b. Rick Welts c. John Buccigross d. David Testo
Example Output:
c