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]: Iannis Xenakis used eight so-called "sound complexes" in a solo work for this instrument called Nomos Alpha. Six beats on the body of these instruments begin the main theme in Arvo Part's orchestration of Fratres for twelve of them. An ensemble consisting entirely of these instruments was founded in the 1970s by twelve members of the Berlin Philharmonic. The first of Villa-Lobos's Bachianas Brasileiras was composed for (*) eight of these instruments, while Jacqueline du Pre popularized Edward Elgar's concerto for it. J.S. Bach's six unaccompanied suites for this instrument were famously recorded by both Mstislav Rostropovich and Pablo Casals. For 10 points, name this instrument played by Yo-Yo Ma which joins two violins and a viola in a string quartet.
[EX A]: Fine Arts

[EX Q]: The title character becomes engaged to two women and invites them both to lunch. This novel begins in Elk Hills, where the title character grows up under the tutelage of Doc Vickerson. While a research fellow at the McGurk Institute, the title character discovers the X Principle that might prove a cure for disease, though he learns it was already discovered at the Pasteur Institute. Mentors in this novel include Max Gottlieb and Gustave Sondelius, and the title character's wife Leora dies from the plague on the island of St. Hubert. FTP, identify this novel about a research scientist by Sinclair Lewis.
[EX A]: Literature

[EX Q]: His relentless attacks on Christianity can be seen in his essay Of National Characters, which was later added to his two volume Essays, Moral and Political. Criticized for defending Charles I in his 1754 History of England, this philosopher established a system of morality based on utility and human sentiments alone in his Enquiry Concerning the Principles of Morals, but is more famous for a work containing the essay Of Miracles. FTP, identify this Scottish empiricist philosopher, the author of Treatise of Human Nature and Enquiry Concerning Human Understanding.
[EX A]:
Social Science