You will be given a definition of a task first, then an example. Follow the example to solve a new instance of the task.
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.

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: 1
Why? The question refers to the 704th unit and task about war which is decribed by Passage 1.

New input: Question: How long did the powerhouse coach work at St. Thomas Aquinas High School? Passage 1:A native of Miami, Florida, Joyner originally attended Southwest Miami High School, where he played three seasons on the varsity football team at linebacker and defensive back as well as wide receiver and kick returner. As a sophomore, he had more than 100 tackles and also accounted for more than 1,000 yards on offense. In his junior year, he recorded 112 tackles, four sacks and an interception. He then decided to transfer to St. Thomas Aquinas High School in Fort Lauderdale, Florida, a private school and football powerhouse coached by George Smith. Featuring talented running backs Giovani Bernard and James White, St. Thomas Aquinas went undefeated through the season, extending a win-streak that began in 2007 to 37 wins, until losing 28–20 to Manatee High School in a Class 5A state semifinal at Hawkins Stadium in Bradenton, Florida. For the season, Joyner contributed as a shut-down cornerback, recording only 14 tackles (12 solo) as opponents stayed away from his side of the field. He also starred on special teams, as he averaged 39.6 yards per return and managed to return three kickoffs for scores. On offense, he recorded 1,090 all-purpose yards on just 79 touches, scoring four rushing and four receiving touchdowns. His impact on the defensive side, however, earned him the National Defensive Player of the Year award by USA Today.
 Passage 2:He received his initial education in the so-called Palace Secondary School, which Ferdinand had created in 1908 solely for his sons. Later, Boris graduated from the Military School in Sofia, then took part in the Balkan Wars. During the First World War, he served as liaison officer of the General Staff of the Bulgarian Army on the Macedonian front. In 1916, he was promoted to colonel and attached again as liaison officer to Army Group Mackensen and the Bulgarian Third Army for the operations against Romania. Boris worked hard to smooth the sometimes difficult relations between Field Marshal Mackensen and Lieutenant General Stefan Toshev, the commander of the Third Army. Through his courage and personal example, he earned the respect of the troops and the senior Bulgarian and German commanders, even that of the Generalquartiermeister of the German Army, Erich Ludendorff, who preferred dealing personally with Boris and described him as excellently trained, a thoroughly soldierly person and mature beyond his years. In 1918, Boris was made a major general.
 Passage 3:Poliovirus is an enterovirus. Infection occurs via the fecal–oral route, meaning that one ingests the virus and viral replication occurs in the alimentary tract. Virus is shed in the feces of infected individuals. In 95% of cases only a primary, transient presence of viremia (virus in the bloodstream) occurs, and the poliovirus infection is asymptomatic. In about 5% of cases, the virus spreads and replicates in other sites such as brown fat, reticuloendothelial tissue, and muscle. The sustained viral replication causes secondary viremia and leads to the development of minor symptoms such as fever, headache, and sore throat. Paralytic poliomyelitis occurs in less than 1% of poliovirus infections. Paralytic disease occurs when the virus enters the central nervous system (CNS) and replicates in motor neurons within the spinal cord, brain stem, or motor cortex, resulting in the selective destruction of motor neurons leading to temporary or permanent paralysis. In rare cases, paralytic poliomyelitis leads to respiratory arrest and death. In cases of paralytic disease, muscle pain and spasms are frequently observed prior to onset of weakness and paralysis. Paralysis typically persists from days to weeks prior to recovery.

Solution:
1