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: Who were the other members of the Mighty Magyars? Passage:Budai made his debut for Hungary on 2 May 1949 in a 6-1 win against Austria in the Central European Championship. He subsequently played 39 times for Hungary and scored 10 goals. Four of these goals came in a 12-0 win against Albania on 24 September 1950. As one of the legendary Mighty Magyars, he helped Hungary become Olympic Champions in 1952 and Central European Champions in 1953. He also played in the Hungary side that defeated England 6-3 at Wembley Stadium. During the 1954 FIFA World Cup he played in the group stage in the 9-0 win against South Korea and in the semi-final against Uruguay. However, despite an excellent performance in the latter game, he was dropped for the final to make room for Ferenc Puskás. He also played two games at the 1958 World Cup.
 Links: a. South Korea national football team b. Golden Team c. 1954 FIFA World Cup d. Golden Team
Example Output: b

Example Input: Question: Which team that Lepage drove for after he left Ridling raced in NASCAR first? Passage:Lepage made his Busch Series debut in 1986 at Oxford Plains Speedway, starting 41st and finishing 15th in the No. 09 Buick owned by Carl Merrill. He became a Busch Series regular in 1994, serving as an owner/driver in the No. 71 Vermont Teddy Bear Company car and running for Rookie of the Year honors. He had a best finish of 9th at New Hampshire International Speedway, in which he got a flat tire at the very end of the race, and finished 24th in points. The 1995 season resulted in five Top 10s and finishing 18th in points. At the end of the season, he lost his sponsorship and ran his own car in 1996 unsponsored until April. Lepage then joined David Ridling and his No. 88 Ridling Motorsports team with sponsorship from Ridling's own Farmer's Choice Fertilizer. He won his first career race at the season finale Jiffy Lube Miami 300 with Hype Energy sponsorship. He finished eighth in points with 1 win, three Top 5s and 10 Top 10s. He ran most of the 1997 season driving for Ridling before leaving due to the team losing its sponsor. Lepage would finish out the year running for Phoenix Racing and ST Motorsports. He finished 12th in points, posting three Top 5s and six Top 10s. Lepage had his Cup debut by qualifying for the Fall Charlotte race in the No. 91 LJ Racing car in an impressive 12th. He would also run the Fall Talladega and Atlanta races with finishes of 17th at Talladega and 29th at Atlanta.
 Links: a. Oxford Plains Speedway b. Phoenix Racing (NASCAR team) c. Ford EcoBoost 300 d. 1997 NASCAR Busch Series
Example Output: b

Example Input: Question: What religion did the Efe people follow? Passage:In modern times, the creation of relatively simple dome-like structures has been documented among various indigenous peoples around the world. The wigwam was made by Native Americans using arched branches or poles covered with grass or hides. The Efé people of central Africa construct similar structures, using leaves as shingles. Another example is the igloo, a shelter built from blocks of compact snow and used by the Inuit people, among others. The Himba people of Namibia construct "desert igloos" of wattle and daub for use as temporary shelters at seasonal cattle camps, and as permanent homes by the poor. Extraordinarily thin domes of sun-baked clay 20 feet in diameter, 30 feet high, and nearly parabolic in curve, are known from Cameroon.
 Links: a. Efé people b. Indigenous peoples of the Americas c. Efé people d. Wigwam
Example Output:
a