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.

[EX 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.
[EX A]: Science

[EX Q]: In this novel, a man is able to purchase a house because the amount of money he puts on the table kills its owner; that character is later told by a woman that she could have buttered him and eaten him alive. Victoria awakens the central character at 5:30, instead of sending her daughter, and during breakfast, she disembowels rabbits. At the start of this novel, the protagonist recounts a dream to his mother, and he is later identified as the source of Angelas dishonor. That dishonor causes her to be rejected by Bayardo San Roman, and leads Pedro and Pablo Vicario to perform the title event. FTP, identify this novel by Gabriel Garcia Marquez, whose title refers to the murder of Santiago Nasar.
[EX A]: Literature

[EX Q]: One of the leading players of this instrument in the jazz idiom became popular with the song "Comin' Home Baby" and later released the fusion records London Underground and Memphis Underground. In addition to Herbie Mann, notable players of it included Otto Luening and the founder of the French Wind Quintet, Jean-Pierre Rampal. Currently, James Galway is a noted player of, for 10 points, what woodwind instrument, normally keyed in C, whose variations include the Japanese shakuhachi and the smaller piccolo
[EX A]:
Fine Arts