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.

Input: Consider Input: Question: How old was the Cardinals right fielder when he retired? Passage:The new season brought a Cardinals team that was much changed from the one that went 100-62 in 2005 but fell to the Houston Astros in the NLCS. Starting pitcher Matt Morris, second baseman Mark Grudzielanek, left fielder Reggie Sanders, and relief pitcher Julián Tavárez left the team via free agency. Relief pitcher Ray King was traded to Colorado. Right fielder Larry Walker retired. Brought in to replace the departed Cardinals were right fielder Juan Encarnación, starting pitcher Sidney Ponson, relief pitchers Braden Looper and Ricardo Rincón, all via free agency, and second baseman Aaron Miles, acquired in the Ray King trade. Left field was left unsettled in the offseason and would remain so all year, with no player getting more than one-third of the playing time at that position.
 Links: a. Julián Tavárez b. Larry Walker c. Reggie Sanders d. Larry Walker

Output: b


Input: Consider Input: Question: Who came in third place the year that Chico Serra won the British Formula 3 Championship? Passage:Francisco "Chico" Serra (born 3 February 1957 in São Paulo) is a racing driver from Brazil. He won the 1979 British Formula 3 Championship. He participated in 33 Formula One World Championship Grands Prix for Fittipaldi and Arrows, debuting on 15 March 1981. He made 18 starts, not qualifying for the remaining fifteen races, although he ought to have started as the reserve in the 1982 Swiss Grand Prix. However, Ferrari withdrew Patrick Tambay's entry so late that Serra was not allowed to take part. Serra scored one championship point, for finishing sixth in the 1982 Belgian Grand Prix. After qualifying for the 1982 Canadian Grand Prix, Serra and countryman Raul Boesel had a short scuffle. Serra was furious at Boesel for blocking his last flying lap after waving Keke Rosberg by. Boesel denied that this was intentional. Serra made one CART Champ Car start in 1985 at the Portland International Raceway for Ensign Racing but suffered an engine failure.
 Links: a. British Formula 3 International Series b. Scuderia Ferrari c. British Formula 3 International Series d. 1982 Belgian Grand Prix

Output: a


Input: Consider Input: Question: How long had the hospital existed in 1963? Passage:Although Hughes sang from a young age into adulthood in the choir of a Baptist church in her hometown of Dallas, she had no aspirations to be a professional singer and had been employed for five years as a nurse at Parkland Memorial Hospital in 1963 when an impromptu vocal performance at the local club where her close friend Tennyson Stephens played piano caused the club's managers to hire her. Established as a top local lounge act, Hughes and Stephens were eventually spotted in a Dallas club by Al Williams - leader of the Four Step Brothers dance troupe - who signed as the duo's manager successfully transferring them to the Chicago nightclub circuit. In 1965 Hughes made her recording debut with an album focused on standards - which billed Hughes as Rheta Hughes and featured Tennyson Stephens - entitled Introducing An Electrifying New Star recorded with producer Ralph Bass for Columbia Records, who would release three singles by Hughes in 1967-68 all produced by Howard Roberts (Hughes' Columbia recording sessions all took place in New York City). Continuing to play nightclubs, Hughes was discovered by Bill Cosby who caught her act at the Redd Foxx Club in Los Angeles, with Hughes resultantly being signed to Tetragrammaton Records, the label Cosby had recently co-founded. After her label debut: "You're Doing It With Her - When It Should Be Me", almost reached the R&B Top 40 in the autumn of 1968, Hughes scored her career record with a mid-tempo R&B rendition of the Doors hit "Light My Fire" which reached #36 on the Billboard R&B chart in February 1969 with the track just falling short of the Billboard Hot 100 peaking at #102 on the "Bubbling Under..." chart (Record World, whose R&B chart afforded Hughes' "Light My Fire" a #26 peak, ranked the track in its 100 Top Pops singles chart with a peak of #78).
 Links: a. Ralph Bass b. Columbia Records c. Parkland Memorial Hospital d. Record World


Output: c