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 long was the event where Norton made his first of four combat jumps as an executive officer? Passage:Norton's first assignment out of West Point was to 12th Infantry Regiment, 4th Infantry Division as a company commander. He then returned to Infantry School in the fall of 1942 to attend the Battalion Commander and Staff Officers Course and the Parachute Course. Following his completion of the course, he reported to the 82nd Airborne Division in North Africa. He was soon promoted to executive officer of the 2d Battalion, 505th Parachute Infantry Regiment. Two months later, he was again promoted, to S-3 (operations officer) of the Regiment. He made his first of four combat jumps as an executive officer, participating in the Invasion of Sicily. After returning to North Africa, he made a second combat jump into Salerno, Italy, blocking German forces who were trying to attack US amphibious forces. His third jump was in support of the Invasion of Normandy on D-Day, 6 June 1944. In July of that year, he assumed command of the 3d Battalion; he was promoted the next month to G3 of the 82d Airborne Division. Norton made his fourth combat jump in September, in the Netherlands to take control of the bridges from the Dutch border to Arnhem as part of Operation Market Garden.
 Links: a. 82nd Airborne Division b. Operation Market Garden c. Netherlands d. Allied invasion of Sicily

Output: d


Input: Consider Input: Question: Which Nigerian region that saw their teams' promotion to the Premier League has the largest population? Passage:The 2018 Nigeria Women Premier League began on April 7 in a game featuring defending champions Nasarawa Amazons from Nasarawa State and FC Robo of Lagos State. The date was decided following a congress held in Ikeja on March 3. Prior to the game, a maiden super cup named the NWFL Champions Shield match was played between Aiteo Cup winners, Rivers Angels and Nasarawa Amazons to officially open the new season. At the end of the 2017 season, Sure Babes of Ilorin, Jokodolu Babes of Ogbomosho and Taraba Queens of Taraba State were promoted to compete in the elite division pending registration procedures, while Saadatu Amazons of Minna and Heartland Queens of Owerri were relegated to the pro league. In May 2018, the league went on a mid-season break due to the 2018 FIFA World Cup, this was further elongated after an emerging NFF leadership crisis. In August 2018, it was announced that the remaining games of the league will commence September 12.
 Links: a. Nasarawa Amazons b. Ilorin c. 2018 FIFA World Cup d. Ilorin

Output: b


Input: Consider Input: Question: Which team won the competition that O'Niell with the Rovers won an aggregate win against CA Spora Luxembourg? Passage:O'Neill signed for Shamrock Rovers for £3000 in September 1961 after playing well on Rovers' tour of North America that summer. He scored twice on his debut against Waterford United on 17 September, in a 4–0 win in the League of Ireland Shield. He went on to become a prominent member of the Rovers team that won the FAI Cup six times in a row during the 1960s. He, along with Pat Courtney, is a holder of the six in a row medals. During his career with Rovers he played over 300 games. His teammates at the club during this era included Liam Tuohy, Johnny Fullam, Pat Dunne, Bobby Gilbert, Mick Leech and Paddy Mulligan. During the 1965–66 season O'Neill scored 6 goals during the FAI Cup run including one in the final against Limerick. In 1967, he also scored a penalty in the final, a 3–2 win against St. Patrick's Athletic. He scored a further 2 goals during the 1968–69 Cup run. During the summer of 1967, O'Neill also played for Rovers when they competed as Boston Rovers in the United Soccer Association league. O'Neill also scored 2 goals for Rovers, one in each game, during a European Cup Winners Cup tie against CA Spora Luxembourg, helping them to an 8–2 aggregate win . In total he played 18 times in European competition.
 Links: a. United Soccer Association b. 1966–67 European Cup Winners' Cup c. League of Ireland Shield d. Boston Rovers


Output: b