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.

Q: Question: Where was McMahon's post-doctoral mentor from? Passage 1:Ain't She Sweet was an American album featuring four tracks recorded in Hamburg in 1961 by The Beatles featuring Tony Sheridan (except for the title song with vocal by John Lennon) and cover versions of Beatles and British Invasion-era songs recorded by the Swallows. As Atlantic Records only had rights to four Sheridan/Beatle recordings recorded by Polydor Records, they filled the rest of the album with Beatle and British Invasion cover songs. When this material was released by Atco Records, there were mono (catalogue number 33-169) and stereo (SD 33-169) editions. Atco also added additional drum overdubs to the four Sheridan cuts on top of the original drum tracks. American drummer Bernard Purdie claims to have performed overdubs of unspecified Beatles records, which would most likely have been for Ain't She Sweet, but this has never been officially confirmed.
 Passage 2:McMahon contributed to the understanding of retinal neurophysiology alongside his post-doctoral mentor, John E. Dowling. His early research focused on ion channels that mediate transmission at electrical and glutamatergic synapses and the modulatory effects of dopamine and nitric oxide on retinal synapse networks. Through studies with zebrafish he discovered that the neurotransmitter dopamine decreases the electrical coupling within horizontal cells. Further research showed that it was the increase of cAMP within the cell resulting from dopamine binding to AMPA receptor that led to this decrease in coupling. McMahon and his colleagues also demonstrated that exogenous nitric oxide and zinc can modulate AMPA receptor mediated synaptic transmission at gap junctions in hybrid bass retinal neurons.
 Passage 3:The river starts at Ralph Bice Lake (formerly Butt Lake) in northern Algonquin Provincial Park in the geographic township of Butt in the Unorganized South Part of Nipissing District. It flows south to Daisy Lake then east to Big Trout Lake. The river heads north out the lake over Big Trout Lake Dam, takes in the left tributary Tim River, flows over the Portal Rapids, Cedar Rapids, Snowshoe Rapids, Catfish Rapids, and Stacks Rapids to reach Cedar Lake, the location of the community of Brent, where it takes in the left tributary Nipissing River. The river exits the lake over a dam, heads through the Devil's Chute, reaches Radiant Lake, where it takes in the left tributary North River and right tributary Little Madawaska River, and passes through the Squirrel Rapids, Big Sawyer Rapids, Battery Rapids Cascade Rapids and White Horse Rapids, and takes in the right tributary Crow River. The river then continues through a series of rapids including the Devil's Cellar Rapids, passes the Algonquin Radio Observatory, and reaches Lake Travers. The Petawawa River enters a canyon and passes through numerous rapids including the Big Thompson Rapids, Little Thompson Rapids, Grillade Rapids, Crooked Chute, Rollway Rapids, The Natch, Schooner Rapids, Five Mile Rapids to arrive at Whitson Lake adjacent to the Petawawa Hills. It leaves Algonquin Provincial Park and enters the municipality of Laurentian Hills in Renfrew County, continues southeast past CFB Petawawa, passes through the Crooked Rapids, Race Horse Rapids, White Horse Rapids and Halfmile Rapids, and reaches Lac du Bois Dur, where it takes in the right tributary Barron River. The river enters the town of Petawawa, heads under Ontario Highway 17, through the Big Eddy Rapids, under the Canadian Pacific Railway main line, and empties into Black Bay on the Ottawa River.


A: 2
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Q: Question: Did Henry and Louisine have any children beside their daughter Electra? Passage 1:William Havemeyer (1770-1851) left Germany at age 15 and arrived in New York City after learning the trade of sugar refining in London. In New York he managed a sugar house on Pine Street before opening his own refinery on Vandam Street with his brother, Frederick Christian Havemeyer, who had come to New York in 1802. Together the two brothers operated the W. & F.C. Havemeyer Company sugar refineries, before passing the business on to their sons. His son William Frederick Havemeyer, retired from the sugar refining business in 1842 and entered politics, eventually serving three terms as Mayor of New York. In 1855 the family relocated their refineries to Brooklyn, where they remained as the business grew to acquire a commanding share of the United States sugar refining market under the leadership of Frederick's grandson, Henry Osborne Havemeyer. The Havemeyer refineries were incorporated as the American Sugar Refining Company in 1891 and became known as Domino Sugar in 1900. In the 20th century several of the family's members made notable contributions to the arts. Henry Osborne Havemeyer and his wife Louisine Havemeyer made large bequests to the Metropolitan Museum of Art and their daughter Electra Havemeyer Webb founded the Shelburne Museum.
 Passage 2:The city is located approximately northwest of the geographic center of South Carolina, and is the primary city of the Midlands region of the state. It lies at the confluence of the Saluda River and the Broad River, which merge at Columbia to form the Congaree River. Columbia is home to the University of South Carolina, the state's flagship university and the largest in the state, and is also the site of Fort Jackson, the largest United States Army installation for Basic Combat Training. Columbia is also located 20 miles west of the site of McEntire Joint National Guard Base, which is operated by the U.S. Air Force and is used as a training base for the 169th Fighter Wing of The South Carolina Air National Guard. Columbia is also the location of the South Carolina State House, which is the center of government for the state. In 1860, the city was the location of the South Carolina Secession Convention, which marked the departure of the first state from the Union in the events leading up to the Civil War.
 Passage 3:The Detroit Lions season was the franchise's 82nd season in the National Football League, their 78th as the Detroit Lions, the 10th playing its home games at Ford Field and the third year under head coach Jim Schwartz. With a regular season record of 10–6, the team improved on its 6–10 record from 2010, making it their third consecutive improved season. It was the Lions' first winning season since 2000 and first 10 win season since 1995. The Lions' 5–0 start was their best since 1956. With their win over the San Diego Chargers on December 24, the Lions clinched an NFC Wild Card spot in the postseason. After their loss to the Green Bay Packers in Week 17, it was determined the Lions would play the New Orleans Saints in one of the NFC Wild Card Games, which the Lions lost 45–28. It was their first playoff berth since 1999.


A: 1
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Q: Question: In what year was Kyman first used? Passage 1:Jackson ran again in 1828, defeating Adams in a landslide. Jackson faced the threat of secession by South Carolina over what opponents called the "Tariff of Abominations." The crisis was defused when the tariff was amended, and Jackson threatened the use of military force if South Carolina attempted to secede. In Congress, Henry Clay led the effort to reauthorize the Second Bank of the United States. Jackson, regarding the Bank as a corrupt institution, vetoed the renewal of its charter. After a lengthy struggle, Jackson and his allies thoroughly dismantled the Bank. In 1835, Jackson became the only president to completely pay off the national debt, fulfilling a longtime goal. His presidency marked the beginning of the ascendancy of the party "spoils system" in American politics. In 1830, Jackson signed the Indian Removal Act, which forcibly relocated most members of the Native American tribes in the South to Indian Territory. The relocation process dispossessed the Indians and resulted in widespread death and disease. Jackson opposed the abolitionist movement, which grew stronger in his second term. In foreign affairs, Jackson's administration concluded a "most favored nation" treaty with Great Britain, settled claims of damages against France from the Napoleonic Wars, and recognized the Republic of Texas. In January 1835, he survived the first assassination attempt on a sitting president.
 Passage 2:Autechre use many different digital synths and a few analogue synths in their production, as well as analogue and digital drum machines, mixers, effects units and samplers. They have also made extensive use of a variety of computer based sequencers, software synthesisers, and other applications as a means of controlling those synths and processing the synthesised sounds. Much of the hardware and software they use has been customised by the band themselves. Autechre have also experimented in depth with development environments such as Max/MSP, and Kyma, amongst others, from 1997 onwards. From 2005 until 2009, they have used the Elektron Machinedrum and Monomachine, alongside Akai MPC and Nord Modular in their live performances. It has also been rumoured that Autechre have used military equipment in their work. In 2008, Sean Booth reported that if he were locked in a cell for a year with only one piece of software and one piece of hardware, he'd "probably take a copy of Digital Performer and an AKG C 1000 microphone." Other machines that Autechre have repeatedly mentioned in interviews are appreciated for their interface and aesthetics as much as their sound, including the Roland TR-606 and MC-202, and the Nord Lead. According to the 2016 interview to Resident Advisor, both members haven't bought a piece of equipment "in the last 5 years", making MAX/MSP a primary production method, with Sean Booth stating that "in Max I can generally build the thing I need, and if I don't know how to do that it'll generally be worthwhile learning."
 Passage 3:Hasan was born in Medina around 844. Hasan's father was a descendant of Husayn ibn Ali, the grandson of Muhammad and third Shi'a Imam, via his eldest son Zayn al-Abidin, while his mother was an unnamed Khurasani slave. When Hasan ibn Zayd, a descendant of Husayn's brother Hasan, established his rule over Tabaristan in the 860s, Hasan joined him there. However, he eventually fell out with Hasan ibn Zayd's brother and successor, Muhammad ibn Zayd, who distrusted him. Hasan left Tabaristan and tried to set up a realm of his own in the provinces further east. To this end, he allied himself with the ruler of Khurasan, Muhammad ibn Abdallah al-Khujistani, who was an enemy of Muhammad ibn Zayd. Soon, however, al-Khujistani too came to distrust him and had him imprisoned and scourged, as a result of which he lost his hearing and received the sobriquet al-Utrush ("the Deaf"), by which he is known. 


A:
2
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