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.

Question: How long had Juan Carlos Onganía been leading Argentina by the year La balsa was written? Passage:"La balsa" (; Spanish for "the raft") is the debut single by the Argentine band Los Gatos, released on July 3, 1967 on Vik, a subsidiary of RCA Victor. Formed in 1967 after the disbandment of Los Gatos Salvajes, Los Gatos were the house band of the bar La Cueva, which became a popular meeting place for rock enthusiasts and the birthplace of Argentine rock—known locally as rock nacional (Spanish for "national rock"). During the mid-to-late 1960s, Buenos Aires was experiencing a cultural blossoming characterized by innovations in modern art, literature and cinema, largely driven by a burgeoning youth subculture that adhered to the countercultural phenomenon of the decade. The underground had its center in La Cueva, Plaza Francia and the Torcuato di Tella Institute, and identified with British Invasion music and the sexual revolution. "La balsa" was written by Litto Nebbia—lead vocalist of the band—and Tanguito (credited as Ramsés) on May 2, 1967, in the men's toilet of La Perla de Once, another bar frequented by the group. At the time, Argentina was under a military dictatorship led by Juan Carlos Onganía, which regularly imprisoned and persecuted these young bohemians.
 Links: a. British Invasion b. Juan Carlos Onganía c. Argentine rock d. Tanguito
b

Question: On what day was the inauguration of the president who held a ceremony on the banks of the scenic New River to designate it as an American Heritage River? Passage:Ashe County has been home to, produced, or been visited by, several prominent people. It is the hometown of Monte Weaver from Helton who pitched for the Washington Senators and pitched a World Series game in 1933. After being traded from the Senators, he pitched for the Boston Red Sox, before being called into service in World War II. Weaver died in 1994. Albert Hash a well-known and beloved fiddler and instrument maker at one time resided in Lansing. Helen Keller visited an Ashe County native, Marvin Osborne, in 1944 when he was wounded in France in World War II. Loretta Lynn sang at the Central Food Market in West Jefferson in the late 1960s (the Central Food building formally housed a locally owned auto parts store and is now the location of a local restaurant). Roni Stoneman was a visitor to Ashe Park in the 1980s. In 1998, then-President Bill Clinton and his Vice-President, Al Gore, held a ceremony on the banks of the scenic New River to designate it as an American Heritage River. After the ceremony, both men had lunch at the historic Glendale Springs Inn, also located in Ashe County. Fiddle player G. B. Grayson was born in Ashe County in 1887.
 Links: a. Loretta Lynn b. Al Gore c. History of the Washington Senators (1901–1960) d. Bill Clinton
d

Question: Who was the manager of Carlisle United when Simon Hackney signed with the team? Passage:Hackney impressed on his trial, from non-league Woodley Sports scoring two goals in two games for the reserves, he signed for Carlisle United in February 2005. He made his debut for Carlisle as a substitute in Carlisle's 3–0 win away at Canvey Island he only made one more appearance for the season again as a sub in a loss against Forest Green Rovers. At the end of the season Carlisle were promoted to League Two, in the 2005–06 season he made many more appearances for Carlisle although most of them came after being brought into the game as a sub. He also scored his first professional goal in Carlisle's 5–0 win against Rushden & Diamonds he also scored a second goal in this game, these were 2 of the 6 goals he scored in his 30 league appearances this season that made him a key part of the promotion winning team. After helping Carlisle to gain their second successive promotion up to League One. During Carlisle's first season in league one Hackney was only able to make 18 appearances this was due to him picking up a serious injury to his knee cartilage in December, however in these 18 games he did manage to score two goals. Hackney managed to recover from his knee injury in time for the 2007–08 season which enabled him to make himself a key part of the team which led to him making 45 league appearances for the club scoring eight times including a vital goal to help Carlisle end Leeds United's undefeated start to the season and help them defeat Leeds 3–1. During the first half of the 2008–09 season he made 22 appearances for Carlisle but only managed to score one goal against Crewe Alexandra, however towards the middle of the season his form dropped slightly and Jeff Smith took his place in the starting line up. Colchester United made two enquires which were both rejected after one reportedly being £25,000 being called 'a mickey take', then Colchester came back with an improved 'six-figure' offer which Carlisle accepted on 26 January. During his time at Carlisle, Hackney made over 100 appearances for the club, helped them gain successive promotions and became a huge favourite with the fans.
 Links: a. 2008–09 in English football b. Colchester United F.C. c. Carlisle United F.C. d. Carlisle United F.C.

c