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]: One character in this work pretends to sing a fashionable song from "The Vain Precaution" in a scene that ends in the quintet "Buona Sera". This opera's tenor pretends to be a drunken soldier when he meets the servant girl Berta, while in the aria "Calumny is a little breeze", Doctor Bartolo receives advice from Don Basilio. Its popular overture was intended for its composer's Aureliano in Palmira, while its first act sees Rosina describe her love for Lindoro in "Una voce poco fa". This opera's title character first appears singing the aria "Largo al Factotum" and aids Count Almaviva in wooing Rosina. For 10 points, name this opera about Figaro, composed by Gioacchino Rossini.
[A]: Fine Arts

[Q]: The person on the left side of this painting, wearing an apron and sailor trousers, is next to a kneeling man with green trousers, a black suit, and black top hat. That man's knee is on the same cobblestones as the hands of the person with a blue shirt and red bandana who is looking up. The right side of this work shows a student with a cartridge pouch carried in a sling over his shoulder and with a gun in each hand. There are also wounded bodies lying on the ground, and the central figure has a loose yellow dress and is holding up a flag. Name this work set during the July Revolution showing the tricolor flag of France, painted by Eugene Delacroix [deh-lah-kwah].
[A]: Fine Arts

[Q]: The acceleration of some Claisen rearrangements in emulsions of this substance was studied by Karl Barry Sharpless. The second stage of the Ostwald process is carried out with an absorption apparatus containing this byproduct. It can be removed from mixtures with magnesium or sodium sulfate, and alkali metals are extremely reactive with it. This compound, frequently used as a moderator for nuclear reactors, can contain a deuterium atom in its "heavy" variety. Along with carbon dioxide, it is produced in combustion reactions, and its triple point is used to define the Kelvin. For 10 points, name this compound with bent molecular geometry and formula H2O.
[A]:
Science