In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.

[Q]: Melamine resin is formed by dehydration of this compound, while barbiturates can also be formed by addition of this compound to malonic acid. Other uses of this compound include separation of racemic mixtures. Originally produced by a reaction between silver cyanate with ammonium chloride, it is now made in indusrial quantities by heating carbon dioxide with ammonia. When arginine is split, it forms an ornithine molecule and a molecule of this; the principal end product of mammalian nitrogen metabolism. First isolated by H.M. Rouelle, FTP, name the compound used to disprove the theory of vitalism when, in 1828 Friedrich Wohler, first synthesized it from inorganic materials.
[A]: Science

[Q]: This city contains the Mexican neighborhood of Olvera Street. Three inclined hovertrains in this city's Brentwood neighborhood can be used to access its Getty Center. Panoramic views from this city can be seen from Griffith Observatory and along Mulholland Drive. Prehistoric animals trapped the (*) La Brea Tar Pits can be found in this city, which is home to a building constructed of twisted metal sheets designed by Frank Gehry. In addition to the Walt Disney Concert Hall, this city contains Grauman's Chinese Theater in its most famous neighborhood. For ten points, identify this California city home to Hollywood.
[A]: Social Science

[Q]: The facade of a home for the elderly in this city featured a sculptural antenna above the arched window of a communal TV room, as well as a black granite column in middle of its white brick entryway. America's first International Style skyscraper was a T-plan tower in this city with four neon initials on its roof. Guild House and the [*] PSFS Building share this city with Cesar Pelli's Cira Center. The "Grand Court" of a store in this city is centered on a 2500-pound bronze eagle and contains the world's largest functioning pipe organ. Daniel Burnham designed the original Wanamaker's in this city. The world's tallest masonry building is in this city. For 10 points, name this city whose Liberty Place towers finally surpassed the height of the statue of William Penn on top of its City Hall.
[A]:
Social Science