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]: The Fraunhofer lines of the Sun's electromagnetic spectrum contain a D-line, sometimes known as a ""doublet,"" produced by transitions in this element's family but traditionally named after this element. This metal is currently made using the Downs Cell. When it is used as a coolant in nuclear reactors, the radioactive 24 isotope of this element is formed. It produces a bright (*) yellow flame when heated. This is the second-lightest alkali metal after lithium. For 10 points, identify this metal whose chloride is table salt.
[EX A]: Science

[EX Q]: While a man in this play reads the newspaper, he says that Mary Splatt has just had a baby girl, prompting his wife to declare she'd much rather have a boy. One woman in this play seems confused that her husband goes out at the same time every day, but it's only dark out some days, until he explains that the sun comes up later in winter. This play opens with one character repeatedly asking ($) "Is that you" before giving a man some cornflakes. During a game of blind man's bluff during this play, one man gets his glasses broken, prompting him to get angry and try to (*) rape Lulu. That man denies that the title event is for him despite receiving a drum at the end of Act I, and he is eventually carted away by Goldberg and McCann. For ten points, identify this play set at Meg and Petey's boarding house, the title event of which celebrates Stanley Webber, a work by Harold Pinter.
[EX A]: Literature

[EX Q]: Posthumous releases from this composer include the collection of songs "Orpheus Britannicus" and the opera The Indian Queen. He wrote a number of odes for Saint Cecelia's day, and incidental music for A Midsummer Night's Dream, but his most famous composition was written for a girls' school in 1689. FTP, name this English composer who, with librettist Nahum Tate, wrote the opera Dido and Aeneas.
[EX A]:
Fine Arts