In this task, you're given a question, along with three passages, 1, 2, and 3. Your job is to determine which passage can be used to answer the question by searching for further information using terms from the passage. Indicate your choice as 1, 2, or 3.
One example: Question: When did the operation during which the 704th dropped supplies to allied troops near Nijmegen begin? Passage 1: The group was occasionally diverted from strategic missions to carry out air support and interdiction missions. It supported Operation Overlord, the invasion of Normandy by attacking transportation targets, including bridges, along with airfields and strong points in France. On D Day, the squadron and the rest of the 446th Group led the first heavy bomber mission of the day. The 446th aided ground forces at Caen and Saint-Lô during July by hitting bridges, gun batteries, and enemy troops. During Operation Market Garden, the attempt to seize a bridgehead across the Rhine in the Netherlands, the 704th dropped supplies to allied troops near Nijmegen. It struck lines of communications during the Battle of the Bulge. During Operation Varsity in March 1945, it supplied ground and airborne troops near Wesel. The squadron flew its last combat mission on 25 April 1945 against Salzburg, Austria. The group had flown 273 missions and had lost 58 aircraft during the war,
. Passage 2: John Ford (1894–1973) was an American film director whose career spanned from 1913 to 1971. During this time he directed more than 140 films. Born in Maine, Ford entered the filmmaking industry shortly after graduating from high school with the help of his older brother, Francis Ford, who had established himself as a leading man and director for Universal Studios. After working as an actor, assistant director, stuntman, and prop man – often for his brother – Universal gave Ford the opportunity to direct in 1917. Initially working in short films, he quickly moved into features, largely with Harry Carey as his star. In 1920 Ford left Universal and began working for the Fox Film Corporation. During the next ten years he directed more than 30 films, including the westerns The Iron Horse (1924) and 3 Bad Men (1926), both starring George O'Brien, the war drama Four Sons and the Irish romantic drama Hangman's House (both 1928 and both starring Victor McLaglen). In the same year of these last two films, Ford directed his first all-talking film, the short Napoleon's Barber. The following year he directed his first all-talking feature, The Black Watch.
. Passage 3: Since the late 1970s, the central part of NYU is its Washington Square campus in the heart of Greenwich Village. Despite being public property, and expanding the Fifth Avenue axis into Washington Square Park, the Washington Square Arch is the unofficial symbol of NYU. Until 2008, NYU's commencement ceremony was held in Washington Square Park. However, due to space constraints, ceremonies are now held at the Yankee Stadium. Important facilities at Washington Square are the Elmer Holmes Bobst Library, designed by Philip Johnson and Richard Foster, who also designed several other structures, such as Tisch Hall, Meyer Hall, and the Hagop Kevorkian Center. When designing these buildings Johnson and Foster also set up a master plan for a complete redesign of the NYU Washington Square campus. However, it was never implemented. Other historic buildings include the Silver Center (formerly known as "Main building"); the Brown Building of Science; Judson Hall, which houses the King Juan Carlos I of Spain Center; Vanderbilt Hall, the historic townhouse row on Washington Square North; The Grey Art Gallery at 100 Washington Square East, housing the New York University art collection and featuring museum quality exhibitions; the Kaufman Management Center; and the Torch Club – the NYU dining and club facility for alumni, faculty, and administrators. Just a block south of Washington Square is NYU's Washington Square Village, housing graduate students and junior and senior faculty residences in the Silver Towers, designed by I. M. Pei, where an enlargement of Picasso's sculpture Bust of Sylvette (1934) is displayed.
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Solution is here: 1
Explanation: The question refers to the 704th unit and task about war which is decribed by Passage 1.

Now, solve this: Question: Who served as the second president of the trade union that Hugo Graf helped found? Passage 1:Fram Reykjavík won the second-tier championship of 1. deild karla in 2006 and finished 7th in the Landsbankadeild (the then name for the premier division) in 2007. They bought the Swedish striker Patrik Redo, whom they later had to sell to Keflavík Football Club. In 2008 Fram played their best season in many years when they finished 3rd in the Landsbankadeild. In 2009 the club was number 4, and played in the Icelandic Cup Final but lost to Breiðablik UBK in a penalty shootout. Now it seems as if Fram Reykjavík is back among the best again. Fram's woes continued in the spring of 2006. In 2008 things changed a lot though a new manager came that had been playing for Fram Reykjavík in the famous 86–91 team Þorvaldur Örlygsson. He started by buying Auðun Helgason, a former Icelandic international football player Assistant manager. For the third time in three years, a new coach would take the helm and most of the time it seemed as if nobody could lead Fram Reykjavík out of the dark. This time, however, it was a complete success. Fram Reykjavík won four straight games, gobbling up KR's lead as team number 3 in the table (a qualifying position for the UEFA Cup), and finally overtaking them. Fram Reykjavík against FH Hafnarfjörður where they won away which was for the first time in many years, the team that was supposed to be unbeatable they managed to win. The following weekend, Fram Reykjavík beat Keflavík, securing the club's third position in the league for the first time since 1992. Fram Reykjavík was back in European competition: the team that almost drew at Nou Camp 18 years ago was back, and there was more good news to come, Þorvaldur Örlygsson accepted a new offer to be the manager. The summer of 2009 came out to be not as good as expected in Úrvalsdeild Fram Reykjavík finished 4th, which was an obvious disappointment. And in Visa-Bikar 2009 Fram Reykjavík made it to the finals but lost in penalty kickout against Breiðablik UBK where Paul McShane missed the last penally for Fram Reykjavík, in UEFA Cup 2009 Fram won The New Saints F.C. easily in the first round but in the second round Fram Reykjavík traveled to Czech Republic to play Sigma Olomouc the first match went 1–1 where Sigma scored a goal almost in the last second of the match. The second match Sigma Olomouc won but Fram Reykjavík was told to have played maybe their best matches of the summer there and they showed that on a good day they could play like the big teams in Europe. Before the 2009 season Þorvaldur Örlygsson brought several new players to Fram Reykjavík, one of them being Jón Gunnar Eysteinsson who Þorvaldur Örlygsson knew well from Fjarðabyggð, he was supposed to come instead of Auðun Helgason that went to Grindavík and Some other players like the English brothers which both started their career playing for Chelsea F.C., Joe Tillen and Sam Tillen the team of 2010 was one of the youngest teams ever in Icelandic football, the oldest player was 25 years old. Still it was a summer of disappointment finishing 5th.
 Passage 2:After the war ended in May 1945 Gräf returned home in August 1946. Home was now in the Soviet occupation zone of what remained of Germany. During the next few years, under Soviet Military Administration, the region would become the Soviet sponsored German Democratic Republic, formally founded in October 1949, but in reality the creation of the new state was an iterative process. Already in April 1946, the merging of the old Communist Party (KPD) and more moderately left wing SPD into the new SED created the basis for a return to one-party government. Hugo Gräf arrived back as a long-standing member of the Communist Party, now no longer illegal in Germany, and like thousands of others, lost no time in signing over his membership to the new Socialist Unity Party of Germany (SED / Sozialistische Einheitspartei Deutschlands). In 1946 he became a spokesman/consultant of the health department of the Central Secretariat with the interim administration, having become a department head by 1948. He was one of the founders of the Health Service of the Trade Union Federation (FDGB / Freier Deutscher Gewerkschaftsbund), and on 5 July 1949 he was appointed its first president, serving in this position till 1951.
 Passage 3:Littell attended Eastern Alamance High School in Mebane, North Carolina. He was drafted by the Seattle Mariners in the 11th round of the 2013 Major League Baseball draft. He signed with Seattle, forgoing his commitment to play college baseball at Appalachian State University. Littell made his professional debut with the Arizona League Mariners and pitched to a 5.94 ERA in 33.1 innings. He pitched 2014 with the Pulaski Mariners, going 5–5 with a 4.52 ERA in 13 starts, and 2015 with the Clinton LumberKings, compiling a 3–6 record and 3.91 ERA in 21 starts. He started 2016 with Clinton and was promoted to the Bakersfield Blaze in July. In 28 total games (27 starts) between the two clubs, Littell collected a 13–6 record, 2.66 ERA, and 1.16 WHIP. After the 2016 season, the Mariners traded Littell to the New York Yankees for James Pazos. Littell started 2017 with the Tampa Yankees and was promoted to the Trenton Thunder in late June.

Solution:
2