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.

Ex Input:
Question: How long had he been king when Perseud led the Macedonians in the Third Macedonian War? Passage 1:1964 is a documentary film produced by Insignia Films for the American Experience series about political, social and cultural events in the United States for the calendar year 1964. It is based partly on Jon Margolis book The Last Innocent Year: America in 1964. The documentary depicts the year 1964 as significant and epic in that following the assassination of President John F. Kennedy in late 1963, 1964, as a presidential election year, becomes a departure point for American history, with lasting effects today. It is also the year of the British Invasion led by the Beatles, when Cassius Clay fights Sonny Liston for the World Heavyweight Championship, the year after Betty Friedan's book, The Feminine Mystique, is published, and the year Republican activist, Phyllis Schlafly's book, A Choice, Not an Echo, is published. It is also the year of Freedom Summer, an initiative by the Student Nonviolent Coordinating Committee to register African-Americans in Mississippi, the subsequent murders of Chaney, Goodman, and Schwerner, three CORE activists, in Mississippi by white supremacists that created a national sensation, and the Harlem riot of 1964, culminating in the Berkeley Free Speech Movement at the University of California at Berkeley. A recurrent theme of the film is its departure as a presidential election year, with President Lyndon B. Johnson running as the expected Democratic Party nominee and the nomination of U.S. Senator Barry Goldwater selected through a grassroots campaign for the Republican nomination for President of the United States, that defines the future divisions of the US political party competition.
 Passage 2:The Battle of Callinicus () was fought in 171 BC between the Kingdom of Macedon and the Roman Republic near a hill called Callinicus, close to the Roman camp at Tripolis Larisaia, five kilometres north of Larissa, the capital of Thessaly. It was fought during the first year of the Third Macedonian War (171-168 BC). The Macedonians were led by their king, Perseus of Macedon, while the Roman force was led by the consul Publius Licinius Crassus. The Macedonians were supported by Cotys IV, the king of the Odrysian kingdom (the largest state in Thrace) and his forces, by Cretan mercenaries and by auxiliaries of mixed nationalities. The Romans had their Italian allies with them and were supported by soldiers provided by Eumenes II of Pergamon, as well as a force of Thessalian cavalry and Greek allies. The battle saw the deployment of troops with cavalry intermixed with light infantry. Although the battle was actually inconclusive because Perseus withdrew before it came to a conclusion, it was considered a Macedonian victory because the Romans suffered heavy casualties.
 Passage 3:During the Napoleonic wars, Île de France became a base from which the French navy, including squadrons under Rear Admiral Linois or Commodore Jacques Hamelin, and corsairs such as Robert Surcouf, organised raids on British merchant ships. The raids (see Battle of Pulo Aura and Mauritius campaign of 1809–1811) continued until 1810 when the British sent a strong expedition to capture the island. The first British attempt, in August 1810, to attack Grand Port resulted in a French victory, one celebrated on the Arc de Triomphe in Paris. A subsequent and much larger attack launched in December of the same year from Rodrigues, which had been captured a year earlier, was successful. The British landed in large numbers in the north of the island and rapidly overpowered the French, who capitulated (see Invasion of Isle de France). In the Treaty of Paris (1814), the French ceded Île de France together with its territories including Rodrigues and Seychelles to Great Britain. The island then reverted to its former name, 'Mauritius'.


Ex Output:
2


Ex Input:
Question: Was the route updated before The Weavers' Triangle Visitor Centre was built? Passage 1:The route is described in a series of six sectional leaflets, updated in 2008, which are available from Burnley Tourist Information Centre. The first section begins at the Manchester Road canal bridge (where the Weavers' Triangle Visitor Centre is located), and follows the towpath of the Leeds and Liverpool Canal over the Burnley Embankment to Thompson Park. It then follows the River Brun through Bank Hall Park and past Heasandford House where it joins the route of the Brontë Way out of Burnley, almost to Lea Green Reservoir. It then passes the ruined Extwistle Hall and over the River Don to Queen Street Mill Textile Museum in Harle Syke. The second section crosses Todmorden Road, passing a number of farms and over Thursden brook. It then follows the road up the Thursden valley and crosses into West Yorkshire, descending to Widdop Reservoir. Joining the Mary Towneley Loop section of the Pennine Bridleway at the Gorpe track, it moves back into Lancashire and past Hurstwood Reservoir to the Elizabethan hamlet of Hurstwood.
 Passage 2:In the U.S, his debut film role was in the war film Black Hawk Down (2001), playing Medal of Honor recipient Gary Gordon. He then played Detective John Amsterdam in the short-lived Fox television series New Amsterdam (2008), as well as appearing as Frank Pike in the 2009 Fox television film Virtuality, originally intended as a pilot. He became widely known for his role as Jaime Lannister in the HBO fantasy series Game of Thrones, for which he received Primetime Emmy Award nominations for Outstanding Supporting Actor in a Drama Series in 2018 and 2019. He is a UNDP Goodwill Ambassador, drawing public attention to critical issues such as gender equality and climate change.
 Passage 3:Froome entered the 2018 Giro d'Italia as one of the favourites to take the overall victory in Rome at the end of May. Once at the start of the Giro d'Italia, he was he would be cleared of his offences. However, before the race could even begin Froome crashed whilst performing a recon of the opening time trial in Jerusalem. Froome would finish the time trial in 21st place, ceding 35 seconds to overall rival Tom Dumoulin. After the race, Team Sky directeur sportif Nicolas Portal admitted that the injury Froome sustained in the crash was worse that they had stated at the time, and Brailsford said that the crash was a setback to Froome's physical condition, which the team felt was below the required level at the start of the Giro. By the end of the first summit finish on Mount Etna, Froome had risen to eighth overall, one minute and 10 seconds behind early race leader Simon Yates. On stage 8, Froome fell on his injured side when his rear wheel slid on a wet climb. By the end of stage 9 to Gran Sasso d'Italia, Froome had lost a further one minute and 17 seconds to Yates, dropping to 11th overall. Stage 10 could have also proven ominous when afterwards he admitted to feeling pain and an imbalance between his legs; and was glad to maintain his position. Froome's first signs of recovery came through on the most difficult climb of the race to that point, Monte Zoncolan, where he distanced all of his main overall rivals, taking the stage win. Froome's deficit to the maglia rosa was now 3'10". However, on the final climb of the following stage to Sappada Froome cracked, yielding more than a minute to the other main general classification contenders. Overall, Froome lay 4'52" from Yates, the leader, 2'41" from Dumoulin, 2'24" from Domenico Pozzovivo and 2'15" from Thibaut Pinot.


Ex Output:
1


Ex Input:
Question: How deep is the smaller lake that is part of the Malawi system? Passage 1:German Type IXD2 submarines were considerably larger than the original Type IXs. U-861 had a displacement of when at the surface and while submerged. The U-boat had a total length of , a pressure hull length of , a beam of , a height of , and a draught of . The submarine was powered by two MAN M 9 V 40/46 supercharged four-stroke, nine-cylinder diesel engines plus two MWM RS34.5S six-cylinder four-stroke diesel engines for cruising, producing a total of for use while surfaced, two Siemens-Schuckert 2 GU 345/34 double-acting electric motors producing a total of for use while submerged. She had two shafts and two propellers. The boat was capable of operating at depths of up to .
 Passage 2:Born in Cleckheaton, West Yorkshire, Strodder came through the youth system of Yorkshire Amateur. He joined Lincoln City in 1982, spending five years at the club and being voted the club's player of the year in 1986, before signing for West Ham United. After three years at West Ham, he moved on to West Bromwich Albion, who he helped to promotion via the playoff final at Wembley Stadium in a team managed by Argentinian and Tottenham Hotspur legend Ossie Ardiles. In 1996 he signed for Notts County, where he was selected for the Third Division PFA Team of the Year in 1997–98. In 1998–99 he had a spell on loan at Rotherham United, before joining Hartlepool United. In 2001 he dropped into non-League football with Guiseley. After retiring from playing he worked for the community development section at Leeds United, before going into business in Menorca.
 Passage 3:Lake Malawi is noted for being the site of evolutionary radiations among several groups of animals, most notably cichlid fish. There are at least 700 cichlid species in Lake Malawi, with some estimating that the actual figure is as high as 1,000 species. The actual number is labelled with some uncertainty because of the many undescribed species and the extreme variation among some species, making the task of delimiting them very complex. Except for four species (Astatotilapia calliptera, Coptodon rendalli, Oreochromis shiranus and Serranochromis robustus), all cichlids in the lake are endemic to the Malawi system, which also includes nearby smaller Lake Malombe and the upper Shire River. Many of these have become popular among aquarium owners due to their bright colors. Recreating a Lake Malawi biotope to host cichlids became quite popular in the aquarium hobby. Most Malawi cichlids are found in relatively shallow coastal waters, but Diplotaxodon has been recorded down to depths of and several (especially Diplotaxodon, Rhamphochromis and Copadichromis quadrimaculatus) are known from pelagic waters.


Ex Output:

3