Extract the answer to the question from the following context. Question: What is a popular song that is also the name of a hotel? Context: Similarly, movies and television often revert to standard, clichéd snatches of classical music to convey refinement or opulence: some of the most-often heard pieces in this category include Bach´s Cello Suite No. 1, Mozart's Eine kleine Nachtmusik, Vivaldi's Four Seasons, Mussorgsky's Night on Bald Mountain (as orchestrated by Rimsky-Korsakov), and Rossini's William Tell Overture.
Ans: Four Seasons

Extract the answer to the question from the following context. Question: What is the second type of music listed? Context: In Montevideo, as throughout the Rio de Plata region, the most popular forms of music are tango, milonga and vals criollo. Many notable songs originated in Montevideo including "El Tango supremo", La Cumparsita", La Milonga", "La Puñalada" and "Desde el Alma", composed by notable Montevideo musicians such as Gerardo Matos Rodríguez, Pintín Castellanos and Rosita Melo. Tango is deeply ingrained in the cultural life of the city and is the theme for many of the bars and restaurants in the city. Fun Fun' Bar, established in 1935, is one of the most important places for tango in Uruguay as is El Farolito, located in the old part of the city and Joventango, Café Las Musas, Garufa and Vieja Viola. The city is also home to the Montevideo Jazz Festival and has the Bancaria Jazz Club bar catering for jazz enthusiasts.
Ans: milonga

Extract the answer to the question from the following context. Question: What was of utmost importance to the man who made Egypt independent? Context: Nasser made Egypt fully independent of British influence, and the country became a major power in the developing world under his leadership. One of Nasser's main domestic efforts was to establish social justice, which he deemed a prerequisite to liberal democracy. During his presidency, ordinary citizens enjoyed unprecedented access to housing, education, jobs, health services and nourishment, as well as other forms of social welfare, while feudalistic influence waned. By the end of his presidency, employment and working conditions improved considerably, although poverty was still high in the country and substantial resources allocated for social welfare had been diverted to the war effort.
Ans: establish social justice

Extract the answer to the question from the following context. Question: Who is in chage of the navigation system in the largest Communist Asian country that is based upon objects in space? Context: The original idea of a Chinese satellite navigation system was conceived by Chen Fangyun and his colleagues in the 1980s. According to the China National Space Administration, the development of the system would be carried out in three steps:
Ans: the China National Space Administration