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: How many years after the medical center was named after his father did Reed die in the same center? Passage:Walter Lawrence Reed (4 December 1877 – 1 May 1956) was a major general in the United States Army who served as Inspector General of the Army from 1 December 1935 to 23 December 1939. His father was Army Medical Corps officer Major Walter Reed, namesake of the Walter Reed Army Medical Center. He was born in Fort Apache, Arizona and moved to Washington, D.C. where he spent most of his early life. Reed fought in the Spanish–American War and traveled across the country and to the Panama Canal Zone. He then began working as an inspector during World War I and became the inspector of Base Section Number 5 in February 1919 then worked in the American Expeditionary Forces office. For his work he earned the Distinguished Service Medal. Reed attended various military schools before returning to the Inspector General's department. In 1935 he became the inspector general of the United States Army. He retired in 1940, but was recalled to active duty during World War II, filling a role in the War Department until 1946. Reed died in the Walter Reed Army Medical Center in 1956.
 Links: a. Fort Apache, Arizona b. United States Army c. Panama Canal Zone d. Walter Reed Army Medical Center
Example Output: d

Example Input: Question: How big was the Royal Air Force the year York joined Aston Villa? Passage:York started his career with Handsworth Royal, Birchfield Rangers and the Royal Air Force, and also guested for Chelsea during World War I. In March 1915 he joined Aston Villa as an amateur, signing professional forms in August 1919. He scored one goal in 17 games in 1919–20, but did not feature in the 1920 FA Cup Final, which ended in a 1–0 victory over Huddersfield Town at Stamford Bridge. He appeared just 11 times in 1920–21, before going on to make 47 appearances in the 1921–22 campaign, as the "Villans" finished fifth in the First Division. He scored nine goals in 37 games in 1922–23 and five goals in 43 games in 1923–24. He also appeared at Wembley in the 1924 FA Cup Final, in a 2–0 defeat to Newcastle United. He scored seven goals in 34 matches in 1924–25, before hitting 20 goals in 44 appearances in 1925–26. He bagged 13 goals in 43 games in 1926–27, before being limited to just four goals in 30 appearances in 1927–28. He rediscovered his scoring form with 18 strikes in 48 matches in 1928–29, before hitting seven goals in 32 games in 1929–30. However he played just four times in the 1930–31 campaign, as Villa finished second in the league with an English record of 128 top-flight league goals scored.
 Links: a. 1923–24 Football League b. Royal Air Force c. Huddersfield Town A.F.C. d. Royal Air Force
Example Output: b

Example Input: Question: In what states did Goldsby play baseball in 1884? Passage:He began playing with an amateur baseball club in East St. Louis, Illinois in 1883, and later that year, he began playing professionally with a team in Evansville, Indiana. He continued with the team into the 1884 season when he was signed by the St. Louis Browns of the American Association (AA), and made his Major League Baseball debut on May 29, 1884. He played just five games for the Browns, and was released after collecting four hits in 20 at bats for a .200 batting average. He returned to Evansville, but was soon signed by the Washington Nationals of the AA, and he was playing for the team in the latter part of July 1884. On August 2, the Evening Star opined that the Nationals' outfield, now consisting of Goldsby, Frank Olin, and Willie Murphy, had made a significant improvement. Despite the praise, and good play, he was released from the teams after playing in six games and a .375 batting average. He later appeared in 11 games for the Richmond Virginians, and was released from the team in September. After the AA season had completed, he was again playing for Evansville.
 Links: a. Hit (baseball) b. St. Louis Cardinals c. Outfielder d. St. Louis Cardinals
Example Output:
b