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 is the team that beat the 1985 Bears? Passage:The Bears won fifteen games, as the 49ers had the year before, and won their first twelve before losing to the Miami Dolphins to deny a perfect season. The Bears' defense was ranked first in the league and only allowed 198 total points (an average of 12.4 points per game). The Bears won the NFC Central Division by seven games over the second place Green Bay Packers and earned the NFC's top seed and home field advantage throughout the playoffs at Soldier Field. In their two playoff games against the New York Giants and Los Angeles Rams, the Bears outscored their opponents 45–0 and became the first team to record back-to-back playoff shutouts. Then, in Super Bowl XX in New Orleans against the New England Patriots, the Bears set several more records. First, their 46 points broke the record that had been set by the Los Angeles Raiders in 1984 with 38 and tied by the 49ers the following year. Their 36-point margin of victory topped the 29-point margin of victory that the Raiders had put up in Super Bowl XVIII and stood as a record until the 49ers won Super Bowl XXIV, also in New Orleans, by 45 points over the Denver Broncos. It was the Bears' first NFL World Championship title since 1963.
 Links: a. 1985 Miami Dolphins season b. 1985 Miami Dolphins season c. New Orleans d. 1985 New York Giants season

Output: a


Input: Consider Input: Question: In what African country did Italy see a collapse in 1942? Passage:At the beginning of 1943, Italy was facing defeat. The collapse of the African front on 4 November 1942 and the Allied landings in North Africa on 8–12 November exposed Italy to an invasion of the Allied forces. The defeat of the Italian expeditionary force (ARMIR) in Russia, the heavy bombings of the cities, and the lack of food and fuel demoralized the population, the majority of whom wanted to end the war and denounce the alliance with Germany. Italy needed German aid in order to maintain control of Tunisia, the last stronghold of the Axis powers in Africa. Italy's Duce, Benito Mussolini, was persuaded that the war could be decided in the Mediterranean theater. On 29 April 1943, at the meeting in Klessheim, Hitler rejected Mussolini's proposition to seek a separate peace with Russia and move the bulk of the German Army south. The request for reinforcements to defend the bridgehead in Tunisia was refused by the Wehrmacht, which no longer trusted the Italian will to maintain resistance. Mussolini's health was another main factor of uncertainty. He was depressed and sick after being diagnosed with gastritis and duodenitis of a nervous origin. Because of his illness, the Duce was often forced to stay at home, depriving Italy of effective government.
 Links: a. Second Battle of El Alamein b. Gastritis c. Axis powers d. Italian Army in Russia

Output: a


Input: Consider Input: Question: What was the age of Raul Boesel the year that Serra qualified for the 1982 Canadian Grand Prix? 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. Arrows Grand Prix International b. Ensign Racing c. Scuderia Ferrari d. Raul Boesel


Output: d