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.

Input: Consider Input: Mobility is related to the zeta potential, dielectric constant, and this quantity in the Smoluchowski equation. For gases, the variation of this quantity with temperature is given by Sutherland's formula. Measured with a Zahn cup, this quantity is squared in the Grashof number, and the ratio of this quantity to thermal diffusivity is the Prandtl number. When this quantity is zero, the Euler equations correspond to the NavierStokes equations. Reynolds number is the ratio of inertial forces to this quantity, which is constant for Newtonian fluids. Measured in poise [PWAHZ], this quantity is zero for superfluids. For 10 points, name this internal friction of a fluid that tends to resist its flow.

Output: Science

Input: Consider Input: title character of one of his operas sings of being a ruler in "Del pi sublime soglio", which sees Vitellia sing of her anger and grief in "Deh se piacer" and "Non pi di fiori. " For 10 points each: [10] Name this composer of La Clemenza di Tito and Il Re Pastore, both works with libretto by Metastasio.

Output: Fine Arts

Input: Consider Input: Among the most moving pieces in this opera is "'Liu! Liu! Sorgi! " sung at the death for a character's unwillingess to betray the man she loves. Another is the brief aside of Ping longing for his small home covered in bamboo, far away from the executions he must help arrange. Its most famous aria demands that no rest be taken, which is a result of Calaf's success and his deal with the title character. FTP name this opera about the wooing of the daughter of the Emperor of China, famous for the aria "Nessun Dorma," the last opera of Giacchimo Puccini.
Output: Fine Arts