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.

Input: Consider Input: Question: How many companies have offices in the tallest building in Dubai? Passage 1:Dubai, the largest city in the United Arab Emirates, is home to many modern high-rises, 108 of which stand taller than . The tallest building in Dubai is the Burj Khalifa, which rises and contains 163 floors. The tower has stood as both the tallest building in the world and the tallest man-made structure of any kind in the world since its completion in January 2010. The second-tallest building in Dubai is the Marina 101, which also stands as the world's second tallest residential skyscraper. The skyscrapers of Dubai are, for the most part, clustered in three different locations. The land along E 11 Road was the first to develop, followed by the Dubai Marina neighborhood and the Business Bay district.
 Passage 2:Montenegro has no currency of its own. As a constituent republic of the Socialist Federal Republic of Yugoslavia following World War II, and later of the Federal Republic of Yugoslavia, the Yugoslav dinar was the official currency in Montenegro. In November 1999, the government of Montenegro unilaterally designated the Deutsche Mark as its co-official currency with the dinar, and on 1 January 2001 the dinar officially ceased to be a legal tender in Montenegro. When the euro was introduced and the Deutsche Mark yielded, Montenegro followed suit and began using the euro as well, with no objection from the European Central Bank (ECB). The European Commission and the ECB have since voiced their discontent over Montenegro's unilateral use of the euro on several occasions.” A statement attached to their Stabilisation and Association Agreement with the EU read: "unilateral introduction of the euro was not compatible with the Treaty." The EU insists on the strict adherence to convergence criteria (such as spending at least 2 years in the ERMII system) which are not negotiable before euro adoption, but have not intervened to stop the unilateral adoption of the euro by Montenegro in 2002.
 Passage 3:In the 18th century, England was famous for its woollen and worsted cloth. That industry, centred in the east and south in towns such as Norwich, jealously protected their product. Cotton processing was tiny: in 1701 only of cottonwool was imported into England, and by 1730 this had fallen to . This was due to commercial legislation to protect the woollen industry. Cheap calico prints, imported by the East India Company from Hindustān (India), had become popular. In 1700 an Act of Parliament passed to prevent the importation of dyed or printed calicoes from India, China or Persia. This caused demand to switch to imported grey cloth instead—calico that had not been finished—dyed or printed. These were printed with popular patterns in southern England. Also, Lancashire businessmen produced grey cloth with linen warp and cotton weft, known as fustian, which they sent to London for finishing. Cottonwool imports recovered though, and by 1720 were almost back to their 1701 levels. Again the woollen manufacturers, in true protectionist fashion, claimed that the imports were taking jobs away from workers in Coventry. The Woollen, etc., Manufactures Act 1720 was passed, enacting fines against anyone caught wearing printed or stained calico muslins. Neckcloths and fustians were exempted. The Lancashire manufacturers exploited this exemption; coloured cotton weft with linen warp were specifically permitted by the 1736 Manchester Act. There now was an artificial demand for woven cloth.


Output: 1


Input: Consider Input: Question: Why did de Angeli choose the names she did for her characters in her first book? Passage 1:The Tremp Basin evolved into a sedimentary depression with the break-up of Pangea and the spreading of the North American and Eurasian Plates in the Early Jurassic. Rifting between Africa and Europe in the Early Cretaceous created the isolated Iberian microplate, where the Tremp Basin was located in the northeastern corner in a back-arc basin tectonic regime. Between the middle Albian and early Cenomanian, a series of pull-apart basins developed, producing a local unconformity in the Tremp Basin. A first phase of tectonic compression commenced in the Cenomanian, lasting until the late Santonian, around 85 Ma, when Iberia started to rotate counterclockwise towards Europe, producing a series of piggyback basins in the southern Pre-Pyrenees. A more tectonically quiet posterior phase provided the Tremp Basin with a shallowing-upward sequence of marine carbonates until the moment of deposition of the Tremp Formation, in the lower section still marginally marine, but becoming more continental and lagoonal towards the top.
 Passage 2:In 1961, Sadegh Tabatabai went to Aachen to study biochemistry and later received his doctorate from the University of Bochum. While in Aachen, he organized a student group that campaigned against Shah Mohammad Reza Pahlavi. In 1967, he handled Ulrike Meinhof material about Iran, which was used in a famous column in Konkret magazine opposing the Shah's visit to West Germany that year. Tabatabai gave a speech at the grave of Benno Ohnesorg, an unarmed university student who was shot during a demonstration against the Shah's visit to the Deutsche Oper in Berlin by Karl-Heinz Kurras, a police officer later discovered to be an agent of the East German secret police, the Stasi.
 Passage 3:In 1908, she met John Dailey de Angeli, a violinist, known as Dai. They were married in Toronto on April 12,1910. The first of their six children, John Shadrach de Angeli, was born one year later. After living in many locations in the American and Canadian West, they settled in the Philadelphia suburb of Collingswood, New Jersey. There in 1921 Marguerite started to study drawing under her mentor, Maurice Bower. In 1922, Marguerite began illustrating a Sunday School paper and was soon doing illustrations for magazines such as The Country Gentleman, Ladies' Home Journal, and The American Girl, besides illustrating books for authors including Helen Ferris, Elsie Singmaster, Cornelia Meigs, and Dorothy Canfield Fisher. Her last child, Maurice Bower de Angeli, was born in 1928, seven years before the 1935 publication of her first book, Ted and Nina Go to the Grocery Store. The de Angeli family moved frequently, returning to Pennsylvania and living north of Philadelphia in Jenkintown, west of Philadelphia in the Manoa neighborhood of Havertown, on Carpenter Lane in Germantown, Philadelphia, on Panama Street in Center City, Philadelphia, in an apartment near the Philadelphia Art Museum, and in a cottage in Green Lane, Pennsylvania. They also maintained a summer cabin on Money Island in Toms River, New Jersey. Marguerite's husband died in 1969, eight months before their 60th wedding anniversary.


Output: 3


Input: Consider Input: Question: In which of the two Olympics in Lake Placid did the United States win the most medals? Passage 1:In 1860, he ran for Canal Commissioner on the Douglas Democratic ticket, but was defeated by Republican Samuel H. Barnes. Barnes died a week after the election, and the vacancy was filled temporarily by the New York State Legislature in January 1861. Wright was the Democratic candidate, but was defeated by Republican Benjamin F. Bruce. In November 1861 he ran again, for the remaining two years of Barnes's term, and this time was elected defeating Bruce and War Democrat Frederick A. Tallmadge. He was in office from 1862 to 1863. In 1863, he ran for re-election, but was this time was defeated again by Bruce. In 1866, he ran again but was defeated by Republican Stephen T. Hayt. In 1869, he was elected again a Canal Commissioner, and was in office from 1870 to 1872.
 Passage 2:Other examples of mostly locally generated historical markers in the United States include the plaque outside the Alaska Governor's Mansion made by the Alaska Centennial Commission's historical markers program, the historical markers of State Historic Marker Council in Florida, the markers placed by various agencies in Georgia (of which one source mentions 3,292 different historical markers), in Indiana, where it is illegal to create a historical marker in the "state format" without first getting official approval from that state's historical bureau, historical markers in Kansas erected by the Kansas Historical Society and the Kansas Department of Transportation, the Roadside Historic Marker Program in Maryland administered by the Maryland Historical Trust, the State Historic Marker Program of New York (begun in 1926 to commemorate the Sequicentennial of the American Revolution), the historic markers placed as recently as 2008 in Sussex County, New Jersey, the New Mexico historical markers printed in white letters on a brown background by the New Mexico Department of Transportation, the historical markers of North Carolina (the Historical Publications Section of the state Office of Archives and History publishes a Guide to North Carolina Highway Historical Markers), the more than 1200 historical markers of Ohio (all of which are now made in a Marietta, Ohio workshop), and over 550 official state markers in Wisconsin.
 Passage 3:Constructed in 1930 for the 1932 Winter Olympics, the track was the first bobsleigh track located outside of Europe. In 1949, it hosted the FIBT World Championships, also the first outside of Europe. The original bobsleigh track was demolished in 1978 to pave the way for an artificial track for the 1980 Winter Olympics with a separate luge track being constructed for those same games. The luge track was the first luge track in North America when it was completed in 1979. In 1983, the luge track was the first venue to host the FIL World Luge Championships outside of Europe. Both tracks were demolished in the late 1990s and a combination track was constructed in early 2000 in time for the only Winter Goodwill Games. The track is a regular venue for World Cup competitions in bobsleigh, luge, and skeleton. In 2009, the track will become the first combination track to host the bobsleigh, luge, and skeleton world championships in a non-Winter Olympic year.



Output: 3