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 team won the title in Wotherspoon's debut season? Passage:A native of Surrey, British Columbia, Wotherspoon was selected by the Portland Winter Hawks in the second round of the 2008 Western Hockey League (WHL) Bantam Draft. He made his WHL debut as a 15-year-old in 200809, appearing in four games for Portland, then played four full seasons between 2009 and 2013. In his WHL career, he has appeared in 239 games in his WHL career and scored 17 goals along with 65 assists. With the Winterhawks, he appeared in the WHL championship series in three consecutive years as Portland lost the final in 2011 and 2012 to the Kootenay Ice and Edmonton Oil Kings, respectively, before finally winning the Ed Chynoweth Cup championship in 2013 by defeating Edmonton. Wotherspoon was also named to the WHL's Western Conference second All-Star Team in 201213. Wotherspoon scored three points in five games at the 2013 Memorial Cup, however Portland lost the Canadian Hockey League (CHL) championship game, the Memorial Cup, to the Halifax Mooseheads, 64. During the season, Wotherspoon was also a member of the Canadian junior team, recording two points in six games at the 2013 World Junior Ice Hockey Championships.
Links: a. Canadian Hockey League b. 200809 WHL season c. Portland Winterhawks d. Edmonton Oil Kings
Example Output: b

Example Input: Question: How old is the oldest championship that O'Keeffe won? Passage:Declan O'Keeffe (born 1972 in Rathmore, County Kerry) is a former Irish sportsperson. He played Gaelic football at various times with his local clubs Rathmore in Kerry and Clooney/Quin and St Josephs Doora-Barefield in Clare. He was a member of the Kerry senior inter-county team from 1996 until 2003. He won All-Ireland Senior Football Championships in 1997 & 2000. He also won an All-Ireland Junior Football Championship in 1994. He won Munster Under-21 Football Championship medals in 1992 and 1993, and a Munster Minor Football Championship medal in 1990. He won an International Rules in 1999 and a Railway Cup. He won 3 County Championships with East Kerry in 1997, 1998 and 1999.
Links: a. East Kerry GAA b. Munster Minor Football Championship c. Kerry GAA d. East Kerry GAA
Example Output: b

Example Input: Question: How many years had the Sunflower Showdown been occurring for the year the Wildcats last lost to Texas? Passage:The 2013 Kansas State Wildcats football team represented Kansas State University in the 2013 NCAA Division I FBS football season. The Wildcats play their home games at Bill Snyder Family Football Stadium, in Manhattan, Kansas as they have since 1968. 2013 is the 118th season in school history. The Wildcats are led by head coach Bill Snyder in his 22nd overall and fifth straight season since taking over in his second tenure in 2009. K-State is a member of the Big 12 Conference. Conference play began with a loss to the Texas Longhorns, which ended the Wildcats 5-game winning streak against the Longhorns. Their last lost against Texas was in 2003. The regular season ended with a win over in-state rival Kansas in the Sunflower Showdown. After completing the regular season with a 75 record, the Kansas State Wildcats returned for a bowl game for the fourth straight year, were selected to play in the 2013 Buffalo Wild Wings Bowl and played the Michigan Wolverines. The season ended with the Wildcats defeating the Wolverines, 3114, to break a five-game bowl losing streak winning their first bowl game since the 2002 Holiday Bowl and finishing the season 85.
Links: a. 2002 Holiday Bowl b. 2013 Texas Longhorns football team c. Manhattan, Kansas d. Sunflower Showdown
Example Output:
d