Part 1. Definition
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.
Part 2. 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.
.
Answer: 1
Explanation: The question refers to the 704th unit and task about war which is decribed by Passage 1.
Part 3. Exercise
Question: How many of the particles emitted in the process of transmuting Np to Pu have a charge? Passage 1:The son of a baptist hotelier, Constandse completed the normal school between 1914 and 1918 and in this period came into contact with the teetotalers movement. In response to World War I, he developed anti-militarist ideas. He joined the Social-Anarchist Youth Organisation (Dutch Sociaal-Anarchistische Jeugd Organisatie, SAJO) in 1919. Within this organisation, he chose the side of the individualist faction within this organisation when factional struggles erupted, denouncing even trade organizations as counterrevolutionary. Instead of taking a job as a teacher, Constandse devoted himself to spreading anarchist ideas. He published two anarchist monthlies, Alarm (1922–1926) and Opstand ("Revolt", 1926–1928), which together with Herman Schuurman's De Moker and Arthur Lehning's Grondslagen renewed the theoretical basis of Dutch anarchism. Constandse's 1927 call for mutiny in De Vrije Socialist ("the free socialist"), following the sending of HNLMS Sumatra to Shanghai, led to a conviction for sedition and a prison sentence of two months.
 Passage 2:Heavy-water reactors may pose a greater risk of nuclear proliferation versus comparable light-water reactors due to the low neutron absorption properties of heavy water, discovered in 1937 by Hans von Halban and Otto Frisch. Occasionally, when an atom of U is exposed to neutron radiation, its nucleus will capture a neutron, changing it to U. The U then rapidly undergoes two β decays — both emitting an electron and an antineutrino, the first one transmuting the U into Np, and the second one transmuting the Np into Pu. Although this process takes place with other moderators such as ultra-pure graphite or beryllium, heavy water is by far the best. 
 Passage 3:While attending vocational school, Takaiwa passed the New Japan Pro Wrestling (NJPW) entry exam and began training with the promotion in 1992. Takaiwa was part of the same trainee class as Shinjiro Otani and the two became frequent opponents and tag team partners when they eventually debuted. Takaiwa debuted on July 21, 1992, losing to Satoshi Kojima. In 1993, Takaiwa took part in the Young Lions Cup, finishing last with zero wins and zero points. During the early years of his career, Takaiwa primarily competed in opening matches, usually on the losing end as is customary for young wrestlers in Japan. Beginning in 1997, Takaiwa began to create more of a name for himself, competing in that year's Best of the Super Juniors tournament and finishing with four points. In 1998, Takaiwa teamed up with Otani to take part in the league to crown the inaugural IWGP Junior Heavyweight Tag Team Champions, with the two of them defeating Koji Kanemoto and Dr Wagner Jr in the finals to become the first ever holders of the belts. In December 1998, Takaiwa received his first shot at the IWGP Junior Heavyweight Championship, unsuccessfully challenging Jushin Thunder Liger. Days later on December 11, Takaiwa and Otani travelled to Wrestle Association R where they defeated Masaaki Mochizuki and Masao Orihara to win the vacant International Junior Heavyweight Tag Team Championship, making themselves double champions. Their days as double champions didnt last long, however, as they would lose the IWGP Junior Heavyweight Tag Team Championship to Kendo Kashin and Dr Wagner Jr at Wrestling World 1999. Later in the year they would regain the championships, defeating Jushin Thunder Liger and The Great Sasuke in July. In 2000, both Otani and Takaiwa took part in the Best of the Super Juniors tournament, with both men winning their blocks and reaching the final, where, on June 9, Takaiwa defeated Otani to win the 2000 Best of the Super Juniors. Later in the month after just under a year as champions, Otani and Takaiwa lost the IWGP Junior Heavyweight Tag Team Championships to the Junior Stars (Koji Kanemoto and Minoru Tanaka). After losing the titles, Takaiwa began focusing more on his singles career, winning the IWGP Junior Heavyweight Championship for the first time in his career in July, defeating Jushin Thunder Liger. Takaiwa eventually lost the championship to Minoru Tanaka in October.

Answer:
2