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]: 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.
[EX A]: Fine Arts

[EX Q]: Having fought in the Chaco War, this man served as commander-in-chief of his nation's armed forces from 1951-54, and in 1954 he ousted President Frederico Chavez. Nicknamed Colonel Trunk, he essentially ruled as a totalitarian, and membership in his Colorado Party was a requirement for most jobs. His country became notorious for its illegal trade, drug trafficing, and harboring of NAZI war criminals, and in 1989 he was ousted by so-called "traditionalists" led by Andres Rodriguez. FTP, who was this son of a German immigrant, the long-time president of Paraguay
[EX A]: History

[EX Q]: The Kabat numbering scheme is a widely adopted standard for numbering the residues in these, however, the Chothia scheme is considered to be more accurate. The Coombs Test screens for these molecules in blood transfusions, and ELISA is a biochemical technique used to find them in any sample. Gerald Edelman and Joseph Gally discovered the light chain portion of these molecules, of which lambda and kappa varieties exist in mammals. In the genes coding for these, a site-specific recombinase called RAG mediates recombination between V and J sites in VDJ recombination, creating over 2 million unique N-termini for these molecules, known as binding sites, that adhere to Paulings lock and key mechanism.. FTP, identify these biological molecules composed of two light chains and two heavy chains that are produced in B-cells and recognize antigens.
[EX A]:
Science