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: opera's third act opens with a shepherd boy singing "Io de' sospiri. " One character in this opera retorts with the aria "Mi dicon venal" when asked what his price is. Another character in this opera sings about how brightly the stars used to shine after he trades his ring to his captor for the chance to write his lover one last letter. That character is killed by a (*) firing squad that he thinks will be shooting blanks after withstanding a session in a torture chamber and refusing to give up the political prisoner Cesare Angelotti. The title character of this opera sings about her good deeds and her dedication to her art in the aria "Vissi d'arte," before she kills the police chief Scarpia and jumps to her death after the execution of the painter Mario Cavardossi. For 10 points, name this Puccini opera about a singer.

Output: Fine Arts


Input: Consider Input: Coombs tests detect these bodies bound to erythrocytes, and a technique that uses these entities is ELISA. These molecules have a namesake fold, in which two beta sheets are held together by amino acid charges. These adaptable molecules can somatically recombine in a process called V(D)J recombination and are also capable of changing isotype by altering conformation of their heavy chains. Like enzymes, they operate via a a so-called "lock-and-key" mechanism, as verified by Linus Pauling. FTP, name these characteristically y-shaped immune molecules exploited in vaccination and produced by B cells in response to specific antigens.

Output: Science


Input: Consider Input: An early work by this artist shows a centaur blowing a conch as Neptune arrives in a seashell, and another of his works shows George Augustus Elliot pointing toward a sinking ship at the Siege of Gibraltar. One of his paintings shows the title character meeting Faith dressed in a bright white robe and Hope dressed in blue, while another is a portrait of Henry Pelham who has a rodent enchained. In addition to The Red Cross Knight and Boy with a Squirrel, he painted a portrait of Paul Revere, and another of his works shows a man ready to strike a fish as a young man struggles to reach for a helping hand. For 10 points, name this painter of Watson and the Shark.


Output: Fine Arts